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Cisco IT Essentials 7.0 - Chapter 5: Networking Concepts Exam

Frage 1 von 44

1

A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.)

Wähle eine oder mehr der folgenden:

  • web server

  • switch

  • router

  • email server

  • wireless access point

  • print server

Erklärung

Frage 2 von 44

1

Which two devices are commonly powered by PoE? (Choose two.)

Wähle eine oder mehr der folgenden:

  • access point

  • core switch

  • IP phone

  • modular switch

  • router

Erklärung

Frage 3 von 44

1

Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)

Wähle eine oder mehr der folgenden:

  • RFI

  • white noise

  • MDF

  • dispersion

  • EMI

Erklärung

Frage 4 von 44

1

When would a printer be considered a network host?

Wähle eine der folgenden:

  • when it is connected to a switch

  • when it is connected to a workstation

  • when it is connected to a laptop

  • when it is connected to a PC

Erklärung

Frage 5 von 44

1

Which technology is most often used to connect devices to a PAN?

Wähle eine der folgenden:

  • Bluetooth

  • fiber optic cabling

  • IEEE 802.11n wireless

  • coaxial cabling

Erklärung

Frage 6 von 44

1

A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?

Wähle eine der folgenden:

  • STP

  • coaxial

  • fiber optic

  • UTP

Erklärung

Frage 7 von 44

1

How many devices can a Bluetooth device connect to simultaneously?

Wähle eine der folgenden:

  • 127

  • 7

  • 10

  • 24

  • 5

Erklärung

Frage 8 von 44

1

Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?

Wähle eine der folgenden:

  • repeater

  • hub

  • switch

  • router

Erklärung

Frage 9 von 44

1

What is a common function of a proxy server?

Wähle eine der folgenden:

  • to store frequently accessed web pages on the internal network

  • to control who is permitted to access the internal network

  • to detect malicious signatures by monitoring traffic that is entering the internal network

  • to provide access to a shared pool of configurable computing resources

Erklärung

Frage 10 von 44

1

What is a characteristic of a WAN?

Wähle eine der folgenden:

  • It connects multiple networks that are geographically separated.

  • It spans across a campus or city to enable sharing of regional resources.

  • It is typically owned and managed by a single home or business.

  • It requires a wireless access point to connect users to the network.

Erklärung

Frage 11 von 44

1

What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?

Wähle eine der folgenden:

  • application, session, network, data link, physical

  • application, internet, network access, transport

  • network access, transport, internet, application

  • application, transport, internet, network access

Erklärung

Frage 12 von 44

1

Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?

Wähle eine der folgenden:

  • 802.11n

  • 802.11g

  • 802.11b

  • 802.11a

Erklärung

Frage 13 von 44

1

Which pairs of wires change termination order between the 568A and 568B standards?

Wähle eine der folgenden:

  • green and orange

  • green and brown

  • blue and brown

  • brown and orange

Erklärung

Frage 14 von 44

1

Which device provides wireless connectivity to users as its primary function?

Wähle eine der folgenden:

  • switch

  • router

  • access point

  • modem

Erklärung

Frage 15 von 44

1

Which type of connection to the Internet is capable of the fastest transfer rates?

Wähle eine der folgenden:

  • ISDN

  • POTS

  • satellite

  • cable

  • fiber

Erklärung

Frage 16 von 44

1

A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?

Wähle eine der folgenden:

  • switch

  • server

  • DSL modem

  • wireless access point

Erklärung

Frage 17 von 44

1

Which well-known port number is used by the DHCP (client) protocol?

Wähle eine der folgenden:

  • 67

  • 68

  • 20

  • 80

  • 53

Erklärung

Frage 18 von 44

1

A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?

Wähle eine der folgenden:

  • The data flow is being tracked based on the destination MAC address of the technician PC.

  • The data flow is being tracked based on the source port number that is used by each application.

  • The data flow is being tracked based on the source IP address that is used by the PC of the technician.

  • The data flow is being tracked based on the destination IP address that is used by the PC of the technician.

Erklärung

Frage 19 von 44

1

Which type of server would be used to keep a historical record of messages from monitored network devices?

Wähle eine der folgenden:

  • DHCP

  • DNS

  • print

  • authentication

  • syslog

Erklärung

Frage 20 von 44

1

Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?

Wähle eine der folgenden:

  • router

  • endpoint management server

  • proxy server

  • UTM

  • TPM

Erklärung

Frage 21 von 44

1

Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?

Wähle eine der folgenden:

  • 802.11ac

  • 802.11n

  • Z-Wave

  • Zigbee

Erklärung

Frage 22 von 44

1

Which network device allows administrators to remotely manage many devices through one dashboard interface?

Wähle eine der folgenden:

  • cloud-based network controller

  • Power over Ethernet

  • switch that supports VLANs

  • powerline networking

Erklärung

Frage 23 von 44

1

Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business?

Wähle eine der folgenden:

  • line of sight wireless

  • satellite

  • hotspot

  • cellular

Erklärung

Frage 24 von 44

1

Which type of server would support the SMTP, POP, and IMAP protocols?

Wähle eine der folgenden:

  • DHCP

  • email

  • proxy

  • syslog

Erklärung

Frage 25 von 44

1

A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?

Wähle eine der folgenden:

  • FTP

  • LDAP

  • SLP

  • SNMP

Erklärung

Frage 26 von 44

1

A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?

Wähle eine der folgenden:

  • NetBIOS (NetBT)

  • SMB/CIFS

  • HTTPS

  • SLP

Erklärung

Frage 27 von 44

1

A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?

Wähle eine der folgenden:

  • SSH

  • SMB/CIFS

  • HTTPS

  • SLP

Erklärung

Frage 28 von 44

1

A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?

Wähle eine der folgenden:

  • IMAP

  • SMB/CIFS

  • HTTPS

  • SLP

Erklärung

Frage 29 von 44

1

A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?

Wähle eine der folgenden:

  • SNMP

  • SMB/CIFS

  • HTTPS

  • SLP

Erklärung

Frage 30 von 44

1

A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?

Wähle eine der folgenden:

  • Telnet

  • SMB/CIFS

  • HTTPS

  • SLP

Erklärung

Frage 31 von 44

1

A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?

Wähle eine der folgenden:

  • LDAP

  • SMB/CIFS

  • HTTPS

  • SLP

Erklärung

Frage 32 von 44

1

A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?

Wähle eine der folgenden:

  • SMTP

  • SMB/CIFS

  • HTTPS

  • SLP

Erklärung

Frage 33 von 44

1

A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?

Wähle eine der folgenden:

  • LDAP

  • POP3

  • HTTP

  • NetBIOS (NetBT)

Erklärung

Frage 34 von 44

1

A technician is searching through a storage locker and finds a PoE injector. What is the purpose of this device?

Wähle eine der folgenden:

  • It is a device that can be inserted in the middle of a cable run to add power.

  • It is a device that allows a network administrator to manage many remote networking devices from a central location.

  • It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.

  • It connects a home or business network to a company that provides internet connectivity as well as television signals.

Erklärung

Frage 35 von 44

1

A technician is searching through a storage locker and finds a managed switch. What is the purpose of this device?

Wähle eine der folgenden:

  • It connects multiple end devices and can be configured for VLANs and port security.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Erklärung

Frage 36 von 44

1

A technician is searching through a storage locker and finds a Powerline networking connector. What is the purpose of this device?

Wähle eine der folgenden:

  • It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It connects networks and forwards traffic to remote networks by using IP addressing information.

Erklärung

Frage 37 von 44

1

A technician is searching through a storage locker and finds a cable modem. What is the purpose of this device?

Wähle eine der folgenden:

  • It connects a home or business network to a company that provides internet connectivity as well as television signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It connects networks and forwards traffic to remote networks by using IP addressing information.

Erklärung

Frage 38 von 44

1

A technician is searching through a storage locker and finds an unmanaged switch. What is the purpose of this device?

Wähle eine der folgenden:

  • It is a device whose sole purpose is to connect end devices and to microsegment a LAN.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Erklärung

Frage 39 von 44

1

A technician is searching through a storage locker and finds a DSL modem. What is the purpose of this device?

Wähle eine der folgenden:

  • It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It connects networks and forwards traffic to remote networks by using IP addressing information.

Erklärung

Frage 40 von 44

1

A technician is searching through a storage locker and finds an access point. What is the purpose of this device?

Wähle eine der folgenden:

  • It uses radio waves to provide network access to wireless devices.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Erklärung

Frage 41 von 44

1

A technician is searching through a storage locker and finds a router. What is the purpose of this device?

Wähle eine der folgenden:

  • It connects networks and forwards traffic to remote networks by using IP addressing information.

  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Erklärung

Frage 42 von 44

1

A technician is searching through a storage locker and finds a cloud-based network controller. What is the purpose of this device?

Wähle eine der folgenden:

  • It is a device that allows a network administrator to manage many remote networking devices from a central location.

  • It transfers small amounts of DC current over Ethernet cables to power low voltage devices such as wireless access points and surveillance cameras.

  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

  • It is a device that can be inserted in the middle of a cable run to add power.

Erklärung

Frage 43 von 44

1

A technician is searching through a storage locker and finds a firewall. What is the purpose of this device?

Wähle eine der folgenden:

  • It is placed between two or more networks and protects data and equipment from unauthorized access.

  • It is a device that can be inserted in the middle of a cable run to add power.

  • It transfers small amounts of DC current over Ethernet cables to power low voltage devices such as wireless access points and surveillance cameras.

  • It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.

Erklärung

Frage 44 von 44

1

A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?

Wähle eine der folgenden:

  • DNS

  • NetBIOS (NetBT)

  • POP3

  • IMAP

Erklärung