Cesar-Inn 2.0
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Wireless

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Wireless

Questão 1 de 52

1

QUESTION 1
In the current RF environment, the noise floor is -95 dBm. A tablet needs an SNR of 25 dB to transmit at the required speed. What must the RSSI cell edge be to
meet the required SNR?

Selecione uma das seguintes:

  • A. -120 dBm

  • B. -90 dBm

  • C. -70 dBm

  • D. -60 dBm

  • E. -50 dBm

Explicação

Questão 2 de 52

1

QUESTION 2
When deploying a Cisco Cloud Wireless Infrastructure, what two destination ports must be open? (Choose two.)

Selecione uma ou mais das seguintes:

  • A. TCP/5246

  • B. UDP/5246

  • C. TCP/5247

  • D. UDP/5247

  • E. TCP/7351

  • F. UDP/7351

  • G. TCP/7734

  • H. UDP/7734

Explicação

Questão 3 de 52

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QUESTION 3
A help desk engineer is attempting to perform a remote packet capture on the wireless network. Which access point mode is necessary to perform this function?

Selecione uma das seguintes:

  • A. sniffer

  • B. SE-Connect

  • D. rogue detector

  • E. FlexConnect

Explicação

Questão 4 de 52

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QUESTION 4
An engineer has been asked to upgrade the FUS on the Wireless LAN controller. How can they monitor the status of the upgrade?

Selecione uma das seguintes:

  • A. WLC GUI

  • B. WLC CLI

  • C. WLC Console

  • D. WLC Management in Prime Infrastructure

Explicação

Questão 5 de 52

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QUESTION 5
During a wireless site survey, the signal strength drops significantly when outside of the room containing the access point. The building is made of wood and
drywall. This is an example of which wireless anomaly?

Selecione uma das seguintes:

  • A. absorption

  • B. refraction

  • C. fading

  • D. multipath

  • E. reflection

Explicação

Questão 6 de 52

1

QUESTION 6
A wireless engineer has been asked to plan a deployment covering the aisles of a warehouse with optimal coverage while bleeding RF across aisles. Which
antenna type provides the necessary coverage?

Selecione uma das seguintes:

  • A. patch

  • B. omnidirectional

  • C. Yagi

  • D. parabolic dish

Explicação

Questão 7 de 52

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QUESTION 7
Refer to the exhibit. The wireless engineer has deployed the Cisco 5508 Wireless Controller. The controller is responding on the service port; however, it will not respond on the management interface. Which configuration revision will fix the management interface?

Selecione uma das seguintes:

  • A. On the switch interface, configure switch(config-if)#switchport trunk allowed vlan add 10.

  • B. On the WLC management interface, disable LAG on the management network.

  • C. On the switch interface, configure switch(config-if)#switchport trunk allowed vlan 10.

  • D. On the WLC management interface, change the VLAN ID to 20.

  • E. On the switch interface, configure no spanning-tree portfast trunk.

  • F. On WLC Controller > General, disable LAG and reboot.

Explicação

Questão 8 de 52

1

QUESTION 8
A help desk ticket states that a wireless access point has not joined its controller and is flashing rapidly. How can the help desk administer the access point with the
default settings?

Selecione uma das seguintes:

  • A. console

  • B. SSH

  • C. Telnet

  • D. HTTP

  • E. HTTPS

Explicação

Questão 9 de 52

1

QUESTION 9
After you configure the Cisco 5508 Wireless Controller v7.6, a customer requests an SSID that allows for client web authentication with email input. Which
authentication method should be used?

Selecione uma das seguintes:

  • A. pass-through

  • B. authentication

  • C. splash page web redirect

  • D. conditional web redirect

  • E. on MAC filter failure

Explicação

Questão 10 de 52

1

QUESTION 10
Which two principles must be considered when deploying a wireless network through a wooded area? (Choose two.)

Selecione uma ou mais das seguintes:

  • A. absorption

  • B. reflection

  • C. diffraction

  • D. scattering

  • E. refraction

Explicação

Questão 11 de 52

1

QUESTION 11
What is an interferer that an engineer may see in Cisco CleanAir?

Selecione uma das seguintes:

  • A. microwave ovens

  • B. rogue APs

  • C. malicious clients

  • D. co-channel interference

Explicação

Questão 12 de 52

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QUESTION 12
A network engineer notices that two mesh APs are having problems communicating. After reviewing the current radio configurations, it is noted that one AP is
transmitting at 3 mW while the other is transmitting at 60 mW. How many decibels would the 3-mW AP need its power increased to match the 60-mW AP?

Selecione uma das seguintes:

  • A. 8

  • B. 12

  • C. 13

  • D. 20

  • E. 57

Explicação

Questão 13 de 52

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QUESTION 13
A network engineer requires an antenna for a point-to-point bridge with at least 20 dBi of gain. Which antenna is appropriate for the task?

Selecione uma das seguintes:

  • A. Yagi

  • B. patch

  • C. parabolic dish

  • D. dipole

  • E. internal omnidirectional

Explicação

Questão 14 de 52

1

QUESTION 14
An engineer needs to find out the maximum EIRP allowed for their office in Asia. What regulatory body should be contacted?

Selecione uma das seguintes:

  • A. CRTC

  • B. ETSI

  • C. IEEE

  • D. NTT

Explicação

Questão 15 de 52

1

QUESTION 15
A wireless engineer has an access point using the 5.725-GHz channel in the United States. In which band is the AP operating?

Selecione uma das seguintes:

  • A. UNII-1

  • B. UNII-2

  • C. UNII-2 Extended

  • D. UNII-3

Explicação

Questão 16 de 52

1

QUESTION 16
Which RRM feature allows an access point to avoid non-IEEE 802.11 interference?

Selecione uma das seguintes:

  • A. DCA

  • B. TPC

  • C. RF groups

  • D. coverage hole detection

Explicação

Questão 17 de 52

1

QUESTION 17
Which IEEE 802.11n client feature can combine the signal from multiple antennas and radio chains to improve SNR?

Selecione uma das seguintes:

  • A. channel aggregation

  • B. spatial multiplexing

  • C. MAC layer efficiency

  • D. TxBF

  • E. MRC

  • F. MCS

Explicação

Questão 18 de 52

1

QUESTION 18
An engineer needs an AP with at least two spatial streams, four receivers, and three transmitters. Which device meets these requirements?

Selecione uma das seguintes:

  • A. 2x4:3

  • B. 2x3:4

  • C. 4x3:2

  • D. 3x4:2

Explicação

Questão 19 de 52

1

QUESTION 19
When using a Split MAC architecture, how many CAPWAP data tunnels will be built to an AP with four SSIDs across two VLANs?

Selecione uma das seguintes:

  • A. 1

  • B. 2

  • C. 3

  • D. 4

Explicação

Questão 20 de 52

1

QUESTION 20
A customer has ordered a Cisco 5760 Wireless Controller. What speed and quantity of ports are needed for full-speed operation?

Selecione uma das seguintes:

  • A. 6 x 1 Gb

  • B. 6 x 10 Gb

  • C. 2 x 10 Gb

  • D. 2 x 1 Gb

  • E. 8 x 1 Gb

  • F. 8 x 10 Gb

Explicação

Questão 21 de 52

1

QUESTION 21
Refer to the exhibit. A network administrator is attempting to connect to the GUI of a WLC with interfaces as shown. Which IP address should the network
administrator use?

Selecione uma das seguintes:

  • A. 192.168.0.2

  • B. 192.168.1.2

  • C. 192.168.2.2

  • D. 192.168.3.2

  • E. 192.168.4.2

Explicação

Questão 22 de 52

1

QUESTION 22
A network engineer is connected via wireless to a Cisco AireOS WLC and wants to download the configuration but is unable to do so. Which change will correct the
issue?

Selecione uma das seguintes:

  • A. enable management via wireless

  • B. connect via wired network

  • C. enable Telnet

  • D. enable WebAuth SecureWeb

  • E. connect on 5-GHz SSID

Explicação

Questão 23 de 52

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QUESTION 23
A customer wants to deploy Cisco Cloud Wireless architecture with 802.11ac capabilities. Which two access points would meet the customers requirements?
(Choose two.)

Selecione uma ou mais das seguintes:

  • A. Cisco 3700 Access Points

  • B. Cisco MR34 Access Points

  • C. Cisco MR18 Access Points

  • D. Cisco 3600 Access Points

  • E. Cisco MR72 Access Points

  • F. Cisco 1570 Access Points

  • G. Cisco MR26 Access Points

Explicação

Questão 24 de 52

1

QUESTION 24
An engineer is trying to convert the IP Address of the wireless controller to amend DHCP Option 43 configuration on the DHCP server. What mathematical format must the IP address of the Wireless controller be converted to in order to function correctly?

Selecione uma das seguintes:

  • A. Hexadecimal

  • B. Binary

  • C. Decimal

  • D. ASCII

Explicação

Questão 25 de 52

1

QUESTION 25
Refer to the exhibit. WLC1 becomes unresponsive due to a power failure at a customer site. How does the access point that is shown in the WLC controller GUI
behave now that WLC1 is disabled?

Selecione uma das seguintes:

  • A. associates to controller 10.201.204.6

  • B. associates to controller 10.201.204.11

  • C. associates to controller 10.201.204.8

  • D. associates to controller 10.201.204.19

Explicação

Questão 26 de 52

1

QUESTION 26
A customer wants to deploy a mesh network with 2 root access points and 10 mesh access points. The root access points should be configured as which mode on
the WLC?

Selecione uma das seguintes:

  • A. mesh

  • B. FlexConnect

  • C. bridge

  • D. rouge detection

  • E. sniffer

Explicação

Questão 27 de 52

1

QUESTION 27
A customer has completed the installation of an 802.11ac greenfield deployment at their corporate headquarters. They would like to leverage 802.11ac enhanced
speeds on the trusted employee WLAN. In order to configure the employee WLAN, what Layer 2 security policies are valid?

Selecione uma das seguintes:

  • A. WPA2 (TKIP)

  • B. WPA(AES)

  • C. OPEN

  • D. WEP

Explicação

Questão 28 de 52

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QUESTION 28
A customer cannot access the GUI on the Cisco 5508 Wireless Controller from the management interface due to network failure. Which interface can the customer
use to access the WLC GUI until the network issues are resolved?

Selecione uma das seguintes:

  • A. virtual

  • B. dynamic

  • C. console port

  • D. service port

Explicação

Questão 29 de 52

1

QUESTION 29
Secure Web Mode
Refer to the exhibit. A customer is using central web authentication with a Cisco 5508 Wireless Controller and Cisco Identity Services Engine. An error occurs when
wireless clients are redirected to the hosted splash page. What is causing the client error?

Selecione uma das seguintes:

  • A. Secure Web Mode is disabled on the WLC.

  • B. OCSP is disabled on the WLC.

  • C. Management Via Dynamic Interface is disabled on the WLC.

  • D. Ethernet Multicast Forwarding is enabled on the WLC.

Explicação

Questão 30 de 52

1

QUESTION 30
A customer is using the access point GUI to upgrade the software on an autonomous access point to convert it to a lightweight access point. Which two transfer
protocols are valid for conducting this transfer from the WLC? (Choose two.)

Selecione uma ou mais das seguintes:

  • A. FTP

  • B. RCP

  • C. SFTP

  • D. HTTP

  • E. SCP

  • F. TFTP

Explicação

Questão 31 de 52

1

QUESTION 31
An engineer wants to set up guest wireless that requires users to log in via a splash page prior to accessing the network. Which authentication method should be
configured?

Selecione uma das seguintes:

  • A. LDAP

  • B. RADIUS

  • C. local authentication

  • D. WebAuth

  • E. PSK

Explicação

Questão 32 de 52

1

QUESTION 32
An engineer would like to setup secure authentication for a wireless network that will utilize single sign-on. Which two authentication methods can be used to
accomplish this? (Choose two.)

Selecione uma ou mais das seguintes:

  • A. LDAP

  • B. RADIUS

  • C. Local authentication

  • D. WEP

  • E. PSK

Explicação

Questão 33 de 52

1

QUESTION 33
An engineer wants to have users who connect to a WLAN be redirected to a terms-of-service page with the company logo and a login. What should be configured
on the WLAN to enable this capability?

Selecione uma das seguintes:

  • A. Layer 2 IEEE 802.1x

  • B. Web Policy Slash Page Web Redirect

  • C. Web Policy Authentication

  • D. AAA Servers

  • E. Web Policy Passthrough

Explicação

Questão 34 de 52

1

QUESTION 34
What suite of algorithms results in slower connection rates when using 802.11N technology?

Selecione uma das seguintes:

  • A. WPA2

  • B. CCMP

  • C. TKIP

  • D. AES

Explicação

Questão 35 de 52

1

QUESTION 35
An engineer assists a user in configuring an Android device for authentication to an IEEE 802.1x EAP WLAN with PEAPv1. The Phase 2 authentication should be
configured as which option?

Selecione uma das seguintes:

  • A. LEAP

  • B. MSCHAPv2

  • C. TLS

  • D. TTLS

Explicação

Questão 36 de 52

1

QUESTION 36
Refer to the exhibit. Which two wireless functions is the client experiencing? (Choose two.)

Selecione uma ou mais das seguintes:

  • A. Inter-controller Roaming

  • B. Intra-controller Roaming

  • C. Layer 2 Roaming

  • D. Layer 3 Roaming

  • E. Inter-subnet roaming

Explicação

Questão 37 de 52

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QUESTION 37
What is the approximate time difference for a client to perform an intracontroller roam compared to an intercontroller roam?

Selecione uma das seguintes:

  • A. 1 ms

  • B. 10 ms

  • C. 20 ms

  • D. 30 ms

Explicação

Questão 38 de 52

1

QUESTION 38
Which two attributes must be configured to match in order for WLCs to operate in the same mobility group? (Choose two.)

Selecione uma ou mais das seguintes:

  • A. mobility domain name

  • B. virtual IP address

  • C. service interface address

  • D. hardware model

  • E. software version

Explicação

Questão 39 de 52

1

QUESTION 39
Which operating mode is valid for controllers in a converged access architecture?

Selecione uma das seguintes:

  • A. switch peer groups

  • B. mobility controller

  • C. auto-anchor

  • D. foreign anchor

Explicação

Questão 40 de 52

1

QUESTION 40
An engineer wants to deploy a 2504 controller as the anchor controller for a guest WLAN that resides on a 5508 controller in a different mobility group. What
configuration change must be applied to support this deployment strategy?

Selecione uma das seguintes:

  • A. UDP 16666 and IP Protocol 97 must be enabled on the 2504 controller

  • B. UDP 5246 and TCP Protocol 97 must be enabled on the router

  • C. The 2504 controller must be added to the same mobility group as the 5508.

  • D. DHCP Option 43 must be added to the neighboring switchport

Explicação

Questão 41 de 52

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QUESTION 41
Which interface is used to connect the foreign and anchor controllers?

Selecione uma das seguintes:

  • A. management

  • B. service

  • C. virtual

  • D. dynamic

Explicação

Questão 42 de 52

1

QUESTION 42
A customer has a corporate SSID that is configured to authenticate against an ACS server to validate client credentials on the corporate SSID. The customer has a
firewall logically positioned on the network between the WLC and the ACS server in the network architecture. Which port must the firewall allow to ensure that
authentication can occur?

Selecione uma das seguintes:

  • A. 43

  • B. 1812

  • C. 5146

  • D. 8143

Explicação

Questão 43 de 52

1

QUESTION 43
Refer to the exhibit. An engineer is configuring a SSID to utilize the management interface on the WLC. The management interface is configured with an untagged
VLAN in the wireless controller interface settings. The controller is connected to a neighboring switch via the interface shown in the diagram.
Which VLAN will traffic coming from the newly created SSID use to traverse the wired network?

Selecione uma das seguintes:

  • A. 1

  • B. 20

  • C. 44

  • D. 50

Explicação

Questão 44 de 52

1

QUESTION 44
During an upgrade, the wireless infrastructure has seen a few access points join and then drop off the network. After further investigation, it appears the access
points may have an IOS code version that is causing issues. Where in the controller is this information found?

Selecione uma das seguintes:

  • A. GUI > Wireless > Access Point > General

  • B. CLI > show ap image all

  • C. GUI > Monitor > Software Version

  • D. CLI > show sysinfo

Explicação

Questão 45 de 52

1

QUESTION 45
An engineer is trying to determine from the controller CLI whether or not Telnet is enabled on the wireless controller. Which command can be entered to display this
information?

Selecione uma das seguintes:

  • A. show network summary

  • B. show aaa auth

  • C. show radius summary

  • D. show ldap statistics

Explicação

Questão 46 de 52

1

QUESTION 46
An engineer is trying to identify if radar has impacted the wireless network at a customer site. When using the controller GUI, which dashboard in the Monitor
section presents this information?

Selecione uma das seguintes:

  • A. 802.11a/n - Air Quality Reports

  • B. Clean Air - Worst Air Quality Report

  • C. 802.11b/g/n - Interfering Devices

  • D. Statistics - Mobility Statistics

Explicação

Questão 47 de 52

1

QUESTION 47
Refer to the exhibit. A customer is determining whether a Windows 7 laptop is operating on the correct IEEE 802.11 standard. Which standard is being used by the
laptop in the exhibit?

Selecione uma das seguintes:

  • A. 802.11b

  • B. 802.11g

  • C. 802.11n

  • D. 802.11p

Explicação

Questão 48 de 52

1

QUESTION 48
An engineer is using a predictive survey tool to estimate placement of APs in a carpeted office space. Most interior walls should be assigned which attenuation
value?

Selecione uma das seguintes:

  • A. 2 dB

  • B. 3 dB

  • C. 4 dB

  • D. 5 dB

Explicação

Questão 49 de 52

1

QUESTION 49
An engineer is conducting an active survey for indoor coverage in a warehouse. The warehouse has long aisles with racks that extend to the ceiling. Which antenna
type has a radiation pattern that is suited to provide coverage in each aisle?

Selecione uma das seguintes:

  • A. Yagi

  • B. patch

  • C. omnidirectional

  • D. dipole

Explicação

Questão 50 de 52

1

QUESTION 50
Following the deployment of a wireless network for data and voice services, an engineer is to validate the coverage. Which type of survey is required to ensure
coverage?

Selecione uma das seguintes:

  • A. passive

  • B. active

  • C. fingerprinting

  • D. calibrating

Explicação

Questão 51 de 52

1

QUESTION 51
During the deployment of a wireless network for data and location services, an engineer is to fine-tune the location services. What is this type of survey called?

Selecione uma das seguintes:

  • A. passive fingerprinting

  • B. passive calibrating

  • C. active fingerprinting

  • D. active calibrating

Explicação

Questão 52 de 52

1

QUESTION 52
Refer to the exhibit. In an effort to identify RF characteristics at a customer location, an RF engineer uses the Spectrum Analyzer tool that is shown. Which feature
that is native to the Spectrum Analyzer is identified by the exhibit?

Selecione uma das seguintes:

  • A. Real-Time FFT

  • B. Duty Cycle

  • C. Max Hold

  • D. Time Domain

Explicação