CCNA Security Final Exam

Questão 1 de 63

1

Which security implementation will provide control plane protection for a network device?

Selecione uma das seguintes:

encryption for remote access connections
AAA for authenticating management access
routing protocol authentication
NTP for consistent timestamps on logging messages

Explicação

Questão 2 de 63

1

What is the one major difference between local AAA authentication and using the login local command when configuring device access authentication?

Selecione uma das seguintes:

Local AAA authentication provides a way to configure backup methods of authentication, but login local does not.
The login local command requires the administrator to manually configure the usernames and passwords, but local AAA authentication does not.
Local AAA authentication allows more than one user account to be configured, but login local does not.
The login local command uses local usernames and passwords stored on the router, but local AAA authentication does not.

Explicação

Questão 3 de 63

1

Refer to the exhibit. A network administrator configures AAA authentication on R1. The administrator then tests the configuration by telneting to R1. The ACS servers are configured and running. What will happen if the authentication fails?

Selecione uma das seguintes:

The enable secret password could be used in the next login attempt.
The authentication process stops.
The username and password of the local user database could be used in the next login attempt.
The enable secret password and a random username could be used in the next login attempt.

Explicação

Questão 4 de 63

1

What are two tasks that can be accomplished with the Nmap and Zenmap network tools? (Choose two.)

Selecione uma ou mais das seguintes:

password recovery
password auditing
identification of Layer 3 protocol support on hosts
TCP and UDP port scanning
validation of IT system configuration

Explicação

Questão 5 de 63

1

Which Cisco IOS subcommand is used to compile an IPS signature into memory?

Selecione uma das seguintes:

retired true
event-action produce-alert
retired false
event-action deny-attacker-inline

Explicação

Questão 6 de 63

1

Why are DES keys considered weak keys?

Selecione uma das seguintes:

They are more resource intensive.
DES weak keys use very long key sizes.
They produce identical subkeys.
DES weak keys are difficult to manage.

Explicação

Questão 7 de 63

1

What is a benefit of using a next-generation firewall rather than a stateful firewall?

Selecione uma das seguintes:

reactive protection against Internet attacks
granularity control within applications
support of TCP-based packet filtering
support for logging

Explicação

Questão 8 de 63

1

What is a result of securing the Cisco IOS image using the Cisco IOS Resilient Configuration feature?

Selecione uma das seguintes:

When the router boots up, the Cisco IOS image is loaded from a secured FTP location.
The Cisco IOS image file is not visible in the output of the show flash command.
The Cisco IOS image is encrypted and then automatically backed up to the NVRAM.
The Cisco IOS image is encrypted and then automatically backed up to a TFTP server.

Explicação

Questão 9 de 63

1

The corporate security policy dictates that the traffic from the remote-access VPN clients must be separated between trusted traffic that is destined for the corporate subnets and untrusted traffic destined for the public Internet. Which VPN solution should be implemented to ensure compliance with the corporate policy?

Selecione uma das seguintes:

MPLS
hairpinning
GRE
split tunneling

Explicação

Questão 10 de 63

1

Which two conditions must be met in order for a network administrator to be able to remotely manage multiple ASAs with Cisco ASDM? (Choose two.)

Selecione uma ou mais das seguintes:

The ASAs must all be running the same ASDM version.
Each ASA must have the same enable secret password.
Each ASA must have the same master passphrase enabled.
The ASAs must be connected to each other through at least one inside interface.
ASDM must be run as a local application.

Explicação

Questão 11 de 63

1

What is negotiated in the establishment of an IPsec tunnel between two IPsec hosts during IKE Phase 1?

Selecione uma das seguintes:

ISAKMP SA policy
DH groups
interesting traffic
transform sets

Explicação

Questão 12 de 63

1

What are two benefits of using a ZPF rather than a Classic Firewall? (Choose two.)

Selecione uma ou mais das seguintes:

ZPF allows interfaces to be placed into zones for IP inspection.
The ZPF is not dependent on ACLs.
Multiple inspection actions are used with ZPF.
ZPF policies are easy to read and troubleshoot.
With ZPF, the router will allow packets unless they are explicitly blocked.

Explicação

Questão 13 de 63

1

Which security policy characteristic defines the purpose of standards?

Selecione uma das seguintes:

step-by-step details regarding methods to deploy company switches
recommended best practices for placement of all company switches
required steps to ensure consistent configuration of all company switches
list of suggestions regarding how to quickly configure all company switches

Explicação

Questão 14 de 63

1

What algorithm is used to provide data integrity of a message through the use of a calculated hash value?

Selecione uma das seguintes:

RSA
DH
AES
HMAC

Explicação

Questão 15 de 63

1

On which port should Dynamic ARP Inspection (DAI) be configured on a switch?

Selecione uma das seguintes:

an uplink port to another switch
on any port where DHCP snooping is disabled
any untrusted port
access ports only

Explicação

Questão 16 de 63

1

What is a feature of a Cisco IOS Zone-Based Policy Firewall?

Selecione uma das seguintes:

A router interface can belong to only one zone at a time.
Service policies are applied in interface configuration mode.
Router management interfaces must be manually assigned to the self zone.
The pass action works in multiple directions.

Explicação

Questão 17 de 63

1

Refer to the exhibit. The administrator can ping the S0/0/1 interface of RouterB but is unable to gain Telnet access to the router by using the password cisco123. What is a possible cause of the problem?

Selecione uma das seguintes:

The Telnet connection between RouterA and RouterB is not working correctly.
The password cisco123 is wrong.
The administrator does not have enough rights on the PC that is being used.
The enable password and the Telnet password need to be the same.

Explicação

Questão 18 de 63

1

Refer to the exhibit. The ip verify source command is applied on untrusted interfaces. Which type of attack is mitigated by using this configuration?

Selecione uma das seguintes:

DHCP spoofing
DHCP starvation
STP manipulation
MAC and IP address spoofing

Explicação

Questão 19 de 63

1

Refer to the exhibit. Which conclusion can be made from the show crypto map command output that is shown on R1?

Selecione uma das seguintes:

The crypto map has not yet been applied to an interface.
The current peer IP address should be 172.30.2.1.
There is a mismatch between the transform sets.
The tunnel configuration was established and can be tested with extended pings.

Explicação

Questão 20 de 63

1

What type of algorithms require sender and receiver to exchange a secret key that is used to ensure the confidentiality of messages?

Selecione uma das seguintes:

symmetric algorithms
hashing algorithms
asymmetric algorithms
public key algorithms

Explicação

Questão 21 de 63

1

What is an advantage in using a packet filtering firewall versus a high-end firewall appliance?

Selecione uma das seguintes:

Packet filters perform almost all the tasks of a high-end firewall at a fraction of the cost.
Packet filters provide an initial degree of security at the data-link and network layer.
Packet filters represent a complete firewall solution.
Packet filters are not susceptible to IP spoofing.

Explicação

Questão 22 de 63

1

Refer to the exhibit. In the network that is shown, which AAA command logs the use of EXEC session commands?

Selecione uma das seguintes:

aaa accounting network start-stop group tacacs+
aaa accounting network start-stop group radius
aaa accounting connection start-stop group radius
aaa accounting exec start-stop group radius
aaa accounting connection start-stop group tacacs+
aaa accounting exec start-stop group tacacs+

Explicação

Questão 23 de 63

1

A network administrator enters the single-connection command. What effect does this command have on AAA operation?

Selecione uma das seguintes:

allows a new TCP session to be established for every authorization request
authorizes connections based on a list of IP addresses configured in an ACL on a Cisco ACS server
allows a Cisco ACS server to minimize delay by establishing persistent TCP connections
allows the device to establish only a single connection with the AAA-enabled server

Explicação

Questão 24 de 63

1

Which two practices are associated with securing the features and performance of router operating systems? (Choose two.)

Selecione uma ou mais das seguintes:

Install a UPS.
Keep a secure copy of router operating system images.
Configure the router with the maximum amount of memory possible.
Disable default router services that are not necessary.
Reduce the number of ports that can be used to access the router.

Explicação

Questão 25 de 63

1

Which statement describes a characteristic of the IKE protocol?

Selecione uma das seguintes:

It uses UDP port 500 to exchange IKE information between the security gateways.
IKE Phase 1 can be implemented in three different modes: main, aggressive, or quick.
It allows for the transmission of keys directly across a network.
The purpose of IKE Phase 2 is to negotiate a security association between two IKE peers.

Explicação

Questão 26 de 63

1

Refer to the exhibit. If a network administrator is using ASDM to configure a site-to-site VPN between the CCNAS-ASA and R3, which IP address would the administrator use for the peer IP address textbox on the ASA if data traffic is to be encrypted between the two remote LANs?

Selecione uma das seguintes:

209.165.201.1
192.168.1.3
172.16.3.1
172.16.3.3
192.168.1.1

Explicação

Questão 27 de 63

1

Refer to the exhibit. Based on the security levels of the interfaces on the ASA, what statement correctly describes the flow of traffic allowed on the interfaces?

Selecione uma das seguintes:

Traffic that is sent from the LAN and the Internet to the DMZ is considered inbound.
Traffic that is sent from the DMZ and the Internet to the LAN is considered outbound.
Traffic that is sent from the LAN to the DMZ is considered inbound.
Traffic that is sent from the DMZ and the LAN to the Internet is considered outbound.

Explicação

Questão 28 de 63

1

What two assurances does digital signing provide about code that is downloaded from the Internet? (Choose two.)

Selecione uma ou mais das seguintes:

The code contains no errors.
The code contains no viruses.
The code has not been modified since it left the software publisher.
The code is authentic and is actually sourced by the publisher.
The code was encrypted with both a private and public key.

Explicação

Questão 29 de 63

1

Which interface option could be set through ASDM for a Cisco ASA?

Selecione uma das seguintes:

default route
access list
VLAN ID
NAT/PAT

Explicação

Questão 30 de 63

1

What are two characteristics of a stateful firewall? (Choose two.)

Selecione uma ou mais das seguintes:

uses connection information maintained in a state table
uses static packet filtering techniques
analyzes traffic at Layers 3, 4 and 5 of the OSI model
uses complex ACLs which can be difficult to configure
prevents Layer 7 attacks

Explicação

Questão 31 de 63

1

What are three characteristics of SIEM? (Choose three.)

Selecione uma ou mais das seguintes:

can be implemented as software or as a service
Microsoft port scanning tool designed for Windows
examines logs and events from systems and applications to detect security threats
consolidates duplicate event data to minimize the volume of gathered data
uses penetration testing to determine most network vulnerabilities
provides real-time reporting for short-term security event analysis

Explicação

Questão 32 de 63

1

Which type of traffic is subject to filtering on an ASA 5505 device?

Selecione uma das seguintes:

public Internet to inside
public Internet to DMZ
inside to DMZ
DMZ to inside

Explicação

Questão 33 de 63

1

Which IDS/IPS signature alarm will look for packets that are destined to or from a particular port?

Selecione uma das seguintes:

honey pot-based
anomaly-based
signature-based
policy-based

Explicação

Questão 34 de 63

1

Which three actions can the Cisco IOS Firewall IPS feature be configured to take when an intrusion activity is detected? (Choose three.)

Selecione uma ou mais das seguintes:

reset UDP connection
reset TCP connection
alert
isolate
inoculate
drop

Explicação

Questão 35 de 63

1

Which two protocols can be selected using the Cisco AnyConnect VPN Wizard to protect the traffic inside a VPN tunnel? (Choose two.)

Selecione uma ou mais das seguintes:

Telnet
SSH
SSL
ESP
IPsec

Explicação

Questão 36 de 63

1

What is a characteristic of a role-based CLI view of router configuration?

Selecione uma das seguintes:

When a superview is deleted, the associated CLI views are deleted.
A single CLI view can be shared within multiple superviews.
A CLI view has a command hierarchy, with higher and lower views.
Only a superview user can configure a new view and add or remove commands from the existing views.

Explicação

Questão 37 de 63

1

❌ Used to determine the possible consequences of successful attacks on the network.

❌ Used to find weaknesses and misconfigurations on network systems.

❌ Used to discover available resources on the network.

❌ Used to detect and report changes made to systems

Arraste e solte para completar o texto.

Penetration testing

Vulnerability scanning

Network scanning

Explicação

Questão 38 de 63

1

Which statement describes the use of certificate classes in the PKI?

Selecione uma das seguintes:

A class 5 certificate is more trustworthy than a class 4 certificate.
Email security is provided by the vendor, not by a certificate.
The lower the class number, the more trusted the certificate.
A vendor must issue only one class of certificates when acting as a CA.

Explicação

Questão 39 de 63

1

Refer to the exhibit. An administrator issues these IOS login enhancement commands to increase the security for login connections. What can be concluded about them?

Selecione uma das seguintes:

Because the login delay command was not used, a one-minute delay between login attempts is assumed.
The hosts that are identified in the ACL will have access to the device.
The login block-for command permits the attacker to try 150 attempts before being stopped to try again.
These enhancements apply to all types of login connections.

Explicação

Questão 40 de 63

1

A company deploys a Cisco ASA with the Cisco CWS connector enabled as the firewall on the border of corporate network. An employee on the internal network is accessing a public website. What should the employee do in order to make sure the web traffic is protected by the Cisco CWS?

Selecione uma das seguintes:

Register the destination website on the Cisco ASA.
Use the Cisco AnyConnect Secure Mobility Client first.
Use a web browser to visit the destination website.
First visit a website that is located on a web server in the Cisco CWS infrastructure.

Explicação

Questão 41 de 63

1

An administrator assigned a level of router access to the user ADMIN using the commands below.

Router(config)# privilege exec level 14 show ip route
Router(config)# enable algorithm-type scrypt secret level 14 cisco-level-10
Router(config)# username ADMIN privilege 14 algorithm-type scrypt secret cisco-level-10

Which two actions are permitted to the user ADMIN? (Choose two.)

Selecione uma ou mais das seguintes:

The user can execute all subcommands under the show ip interfaces command.
The user can issue the show version command.
The user can only execute the subcommands under the show ip route command.
The user can issue all commands because this privilege level can execute all Cisco IOS commands.
The user can issue the ip route command.

Explicação

Questão 42 de 63

1

What mechanism is used by an ASA 5505 device to allow inspected outbound traffic to return to the originating sender who is on an inside network?

Selecione uma das seguintes:

Network Address Translation
access control lists
security zones
stateful packet inspection

Explicação

Questão 43 de 63

1

Which two end points can be on the other side of an ASA site-to-site VPN configured using ASDM? (Choose two.)

Selecione uma ou mais das seguintes:

DSL switch
Frame Relay switch
ISR router
another ASA
multilayer switch

Explicação

Questão 44 de 63

1

What Layer 2 attack is mitigated by disabling Dynamic Trunking Protocol?

Selecione uma das seguintes:

DHCP spoofing
ARP spoofing
VLAN hopping
ARP poisoning

Explicação

Questão 45 de 63

1

In an AAA-enabled network, a user issues the configure terminal command from the privileged executive mode of operation. What AAA function is at work if this command is rejected?

Selecione uma das seguintes:

authorization
authentication
auditing
accounting

Explicação

Questão 46 de 63

1

An organization has configured an IPS solution to use atomic alerts. What type of response will occur when a signature is detected?

Selecione uma das seguintes:

A counter starts and a summary alert is issued when the count reaches a preconfigured number.
The TCP connection is reset.
An alert is triggered each time a signature is detected.
The interface that triggered the alert is shutdown.

Explicação

Questão 47 de 63

1

What two algorithms can be part of an IPsec policy to provide encryption and hashing to protect interesting traffic? (Choose two.)

Selecione uma ou mais das seguintes:

PSK
DH
RSA
AES
SHA

Explicação

Questão 48 de 63

1

Preencha o espaço em branco para completar o texto.

A stateful signature is also known as a signature.

Explicação

Questão 49 de 63

1

Why is hashing cryptographically stronger compared to a cyclical redundancy check (CRC)?

Selecione uma das seguintes:

Hashes are never sent in plain text.
It is easy to generate data with the same CRC.
It is virtually impossible for two different sets of data to calculate the same hash output.
Hashing always uses a 128-bit digest, whereas a CRC can be variable length.

Explicação

Questão 50 de 63

1

A network analyst wants to monitor the activity of all new interns. Which type of security testing would track when the interns sign on and sign off the network?

Selecione uma das seguintes:

vulnerability scanning
password cracking
network scanning
integrity checker

Explicação

Questão 51 de 63

1

Refer to the exhibit. What two pieces of information can be gathered from the generated message? (Choose two.)

Selecione uma ou mais das seguintes:

This message is a level five notification message.
This message indicates that service timestamps have been globally enabled.
This message indicates that enhanced security was configured on the vty ports.
This message appeared because a major error occurred that requires immediate action.
This message appeared because a minor error occurred that requires further investigation.

Explicação

Questão 52 de 63

1

What is required for auto detection and negotiation of NAT when establishing a VPN link?

Selecione uma das seguintes:

Both VPN end devices must be configured for NAT.
No ACLs can be applied on either VPN end device.
Both VPN end devices must be NAT-T capable.
Both VPN end devices must be using IPv6.

Explicação

Questão 53 de 63

1

Refer to the exhibit. The network administrator is configuring the port security feature on switch SWC. The administrator issued the command show port-security interface fa 0/2 to verify the configuration. What can be concluded from the output that is shown? (Choose three.)

Selecione uma ou mais das seguintes:

Three security violations have been detected on this interface.
This port is currently up.
The port is configured as a trunk link.
Security violations will cause this port to shut down immediately.
There is no device currently connected to this port.
The switch port mode for this interface is access mode.

Explicação

Questão 54 de 63

1

In which two instances will traffic be denied as it crosses the ASA 5505 device? (Choose two.)

Selecione uma ou mais das seguintes:

traffic originating from the inside network going to the DMZ network
traffic originating from the inside network going to the outside network
traffic originating from the outside network going to the DMZ network
traffic originating from the DMZ network going to the inside network
traffic originating from the outside network going to the inside network

Explicação

Questão 55 de 63

1

Refer to the exhibit. Based on the configuration that is shown, which statement is true about the IPS signature category?

Selecione uma das seguintes:

Only signatures in the ios_ips advanced category will be compiled into memory for scanning.
All signatures categories will be compiled into memory for scanning, but only those signatures within the ios ips advanced category will be used for scanning purposes.
All signature categories will be compiled into memory for scanning, but only those signatures in the ios_ips basic category will be used for scanning purposes.
Only signatures in the ios_ips basic category will be compiled into memory for scanning.

Explicação

Questão 56 de 63

1

Which two ports can send and receive Layer 2 traffic from a community port on a PVLAN? (Choose two.)

Selecione uma ou mais das seguintes:

community ports belonging to other communities
promiscuous ports
isolated ports within the same community
PVLAN edge protected ports
community ports belonging to the same community

Explicação

Questão 57 de 63

1

What is a feature of the TACACS+ protocol?

Selecione uma das seguintes:

It utilizes UDP to provide more efficient packet transfer.
It combines authentication and authorization as one process.
It encrypts the entire body of the packet for more secure communications.
It hides passwords during transmission using PAP and sends the rest of the packet in plaintext.

Explicação

Questão 58 de 63

1

Which security measure is best used to limit the success of a reconnaissance attack from within a campus area network?

Selecione uma das seguintes:

Implement restrictions on the use of ICMP echo-reply messages.
Implement a firewall at the edge of the network.
Implement access lists on the border router.
Implement encryption for sensitive traffic.

Explicação

Questão 59 de 63

1

What is the benefit of the network-based IPS (NIPS) over host-based IPS (HIPS) deployment models?

Selecione uma das seguintes:

NIPS provides individual host protection.
NIPS relies on centrally managed software agents.
NIPS monitors all operations within an operating system.
NIPS monitors network segments.

Explicação

Questão 60 de 63

1

What represents a best practice concerning discovery protocols such as CDP and LLDP on network devices?

Selecione uma das seguintes:

Enable CDP on edge devices, and enable LLDP on interior devices.
Use the default router settings for CDP and LLDP.
Use the open standard LLDP rather than CDP.
Disable both protocols on all interfaces where they are not required.

Explicação

Questão 61 de 63

1

What function is provided by the Tripwire network security tool?

Selecione uma das seguintes:

password recovery
security policy compliance
IDS signature development
logging of security events

Explicação

Questão 62 de 63

1

What is the function of a policy map configuration when an ASA firewall is being configured?

Selecione uma das seguintes:

binding class maps with actions
identifying interesting traffic
binding a service policy to an interface
using ACLs to match traffic

Explicação

Questão 63 de 63

1

If a network administrator wants to track the usage of FTP services, which keyword or keywords should be added to the aaa accounting command?

Selecione uma das seguintes:

exec default
connection
exec
network

	Criado por Maikel Degrande quase 9 anos atrás

CCNA Security Final Exam v2.0

CCNA Security Final Exam

CCNA Security Final Exam

Questão 1 de 63

Which security implementation will provide control plane protection for a network device?

Selecione uma das seguintes:

Explicação

Questão 2 de 63

What is the one major difference between local AAA authentication and using the login local command when configuring device access authentication?

Selecione uma das seguintes:

Explicação

Questão 3 de 63

Refer to the exhibit. A network administrator configures AAA authentication on R1. The administrator then tests the configuration by telneting to R1. The ACS servers are configured and running. What will happen if the authentication fails?

Selecione uma das seguintes:

Explicação

Questão 4 de 63

What are two tasks that can be accomplished with the Nmap and Zenmap network tools? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 5 de 63

Which Cisco IOS subcommand is used to compile an IPS signature into memory?

Selecione uma das seguintes:

Explicação

Questão 6 de 63

Why are DES keys considered weak keys?

Selecione uma das seguintes:

Explicação

Questão 7 de 63

What is a benefit of using a next-generation firewall rather than a stateful firewall?

Selecione uma das seguintes:

Explicação

Questão 8 de 63

What is a result of securing the Cisco IOS image using the Cisco IOS Resilient Configuration feature?

Selecione uma das seguintes:

Explicação

Questão 9 de 63

Selecione uma das seguintes:

Explicação

Questão 10 de 63

Which two conditions must be met in order for a network administrator to be able to remotely manage multiple ASAs with Cisco ASDM? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 11 de 63

What is negotiated in the establishment of an IPsec tunnel between two IPsec hosts during IKE Phase 1?

Selecione uma das seguintes:

Explicação

Questão 12 de 63

What are two benefits of using a ZPF rather than a Classic Firewall? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 13 de 63

Which security policy characteristic defines the purpose of standards?

Selecione uma das seguintes:

Explicação

Questão 14 de 63

What algorithm is used to provide data integrity of a message through the use of a calculated hash value?

Selecione uma das seguintes:

Explicação

Questão 15 de 63

On which port should Dynamic ARP Inspection (DAI) be configured on a switch?

Selecione uma das seguintes:

Explicação

Questão 16 de 63

What is a feature of a Cisco IOS Zone-Based Policy Firewall?

Selecione uma das seguintes:

Explicação

Questão 17 de 63

Refer to the exhibit. The administrator can ping the S0/0/1 interface of RouterB but is unable to gain Telnet access to the router by using the password cisco123. What is a possible cause of the problem?

Selecione uma das seguintes:

Explicação

Questão 18 de 63

Refer to the exhibit. The ip verify source command is applied on untrusted interfaces. Which type of attack is mitigated by using this configuration?

Selecione uma das seguintes:

Explicação

Questão 19 de 63

Refer to the exhibit. Which conclusion can be made from the show crypto map command output that is shown on R1?

Selecione uma das seguintes:

Explicação

Questão 20 de 63

What type of algorithms require sender and receiver to exchange a secret key that is used to ensure the confidentiality of messages?

❌ Used to determine the possible consequences of successful attacks on the network.

❌ Used to find weaknesses and misconfigurations on network systems.

❌ Used to discover available resources on the network.

❌ Used to detect and report changes made to systems