Cesar-Inn 2.0
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Wireless

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Cesar-Inn 2.0
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Wireless

Question 1 of 52

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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?

Select one of the following:

  • A. -120 dBm

  • B. -90 dBm

  • C. -70 dBm

  • D. -60 dBm

  • E. -50 dBm

Explanation

Question 2 of 52

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

Select one or more of the following:

  • A. TCP/5246

  • B. UDP/5246

  • C. TCP/5247

  • D. UDP/5247

  • E. TCP/7351

  • F. UDP/7351

  • G. TCP/7734

  • H. UDP/7734

Explanation

Question 3 of 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?

Select one of the following:

  • A. sniffer

  • B. SE-Connect

  • D. rogue detector

  • E. FlexConnect

Explanation

Question 4 of 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?

Select one of the following:

  • A. WLC GUI

  • B. WLC CLI

  • C. WLC Console

  • D. WLC Management in Prime Infrastructure

Explanation

Question 5 of 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?

Select one of the following:

  • A. absorption

  • B. refraction

  • C. fading

  • D. multipath

  • E. reflection

Explanation

Question 6 of 52

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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?

Select one of the following:

  • A. patch

  • B. omnidirectional

  • C. Yagi

  • D. parabolic dish

Explanation

Question 7 of 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?

Select one of the following:

  • 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.

Explanation

Question 8 of 52

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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?

Select one of the following:

  • A. console

  • B. SSH

  • C. Telnet

  • D. HTTP

  • E. HTTPS

Explanation

Question 9 of 52

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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?

Select one of the following:

  • A. pass-through

  • B. authentication

  • C. splash page web redirect

  • D. conditional web redirect

  • E. on MAC filter failure

Explanation

Question 10 of 52

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

Select one or more of the following:

  • A. absorption

  • B. reflection

  • C. diffraction

  • D. scattering

  • E. refraction

Explanation

Question 11 of 52

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

Select one of the following:

  • A. microwave ovens

  • B. rogue APs

  • C. malicious clients

  • D. co-channel interference

Explanation

Question 12 of 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?

Select one of the following:

  • A. 8

  • B. 12

  • C. 13

  • D. 20

  • E. 57

Explanation

Question 13 of 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?

Select one of the following:

  • A. Yagi

  • B. patch

  • C. parabolic dish

  • D. dipole

  • E. internal omnidirectional

Explanation

Question 14 of 52

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

Select one of the following:

  • A. CRTC

  • B. ETSI

  • C. IEEE

  • D. NTT

Explanation

Question 15 of 52

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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?

Select one of the following:

  • A. UNII-1

  • B. UNII-2

  • C. UNII-2 Extended

  • D. UNII-3

Explanation

Question 16 of 52

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

Select one of the following:

  • A. DCA

  • B. TPC

  • C. RF groups

  • D. coverage hole detection

Explanation

Question 17 of 52

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

Select one of the following:

  • A. channel aggregation

  • B. spatial multiplexing

  • C. MAC layer efficiency

  • D. TxBF

  • E. MRC

  • F. MCS

Explanation

Question 18 of 52

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

Select one of the following:

  • A. 2x4:3

  • B. 2x3:4

  • C. 4x3:2

  • D. 3x4:2

Explanation

Question 19 of 52

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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?

Select one of the following:

  • A. 1

  • B. 2

  • C. 3

  • D. 4

Explanation

Question 20 of 52

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

Select one of the following:

  • 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

Explanation

Question 21 of 52

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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?

Select one of the following:

  • 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

Explanation

Question 22 of 52

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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?

Select one of the following:

  • A. enable management via wireless

  • B. connect via wired network

  • C. enable Telnet

  • D. enable WebAuth SecureWeb

  • E. connect on 5-GHz SSID

Explanation

Question 23 of 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.)

Select one or more of the following:

  • 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

Explanation

Question 24 of 52

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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?

Select one of the following:

  • A. Hexadecimal

  • B. Binary

  • C. Decimal

  • D. ASCII

Explanation

Question 25 of 52

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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?

Select one of the following:

  • 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

Explanation

Question 26 of 52

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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?

Select one of the following:

  • A. mesh

  • B. FlexConnect

  • C. bridge

  • D. rouge detection

  • E. sniffer

Explanation

Question 27 of 52

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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?

Select one of the following:

  • A. WPA2 (TKIP)

  • B. WPA(AES)

  • C. OPEN

  • D. WEP

Explanation

Question 28 of 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?

Select one of the following:

  • A. virtual

  • B. dynamic

  • C. console port

  • D. service port

Explanation

Question 29 of 52

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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?

Select one of the following:

  • 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.

Explanation

Question 30 of 52

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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.)

Select one or more of the following:

  • A. FTP

  • B. RCP

  • C. SFTP

  • D. HTTP

  • E. SCP

  • F. TFTP

Explanation

Question 31 of 52

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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?

Select one of the following:

  • A. LDAP

  • B. RADIUS

  • C. local authentication

  • D. WebAuth

  • E. PSK

Explanation

Question 32 of 52

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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.)

Select one or more of the following:

  • A. LDAP

  • B. RADIUS

  • C. Local authentication

  • D. WEP

  • E. PSK

Explanation

Question 33 of 52

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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?

Select one of the following:

  • A. Layer 2 IEEE 802.1x

  • B. Web Policy Slash Page Web Redirect

  • C. Web Policy Authentication

  • D. AAA Servers

  • E. Web Policy Passthrough

Explanation

Question 34 of 52

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

Select one of the following:

  • A. WPA2

  • B. CCMP

  • C. TKIP

  • D. AES

Explanation

Question 35 of 52

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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?

Select one of the following:

  • A. LEAP

  • B. MSCHAPv2

  • C. TLS

  • D. TTLS

Explanation

Question 36 of 52

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

Select one or more of the following:

  • A. Inter-controller Roaming

  • B. Intra-controller Roaming

  • C. Layer 2 Roaming

  • D. Layer 3 Roaming

  • E. Inter-subnet roaming

Explanation

Question 37 of 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?

Select one of the following:

  • A. 1 ms

  • B. 10 ms

  • C. 20 ms

  • D. 30 ms

Explanation

Question 38 of 52

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

Select one or more of the following:

  • A. mobility domain name

  • B. virtual IP address

  • C. service interface address

  • D. hardware model

  • E. software version

Explanation

Question 39 of 52

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

Select one of the following:

  • A. switch peer groups

  • B. mobility controller

  • C. auto-anchor

  • D. foreign anchor

Explanation

Question 40 of 52

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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?

Select one of the following:

  • 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

Explanation

Question 41 of 52

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

Select one of the following:

  • A. management

  • B. service

  • C. virtual

  • D. dynamic

Explanation

Question 42 of 52

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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?

Select one of the following:

  • A. 43

  • B. 1812

  • C. 5146

  • D. 8143

Explanation

Question 43 of 52

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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?

Select one of the following:

  • A. 1

  • B. 20

  • C. 44

  • D. 50

Explanation

Question 44 of 52

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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?

Select one of the following:

  • A. GUI > Wireless > Access Point > General

  • B. CLI > show ap image all

  • C. GUI > Monitor > Software Version

  • D. CLI > show sysinfo

Explanation

Question 45 of 52

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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?

Select one of the following:

  • A. show network summary

  • B. show aaa auth

  • C. show radius summary

  • D. show ldap statistics

Explanation

Question 46 of 52

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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?

Select one of the following:

  • 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

Explanation

Question 47 of 52

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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?

Select one of the following:

  • A. 802.11b

  • B. 802.11g

  • C. 802.11n

  • D. 802.11p

Explanation

Question 48 of 52

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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?

Select one of the following:

  • A. 2 dB

  • B. 3 dB

  • C. 4 dB

  • D. 5 dB

Explanation

Question 49 of 52

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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?

Select one of the following:

  • A. Yagi

  • B. patch

  • C. omnidirectional

  • D. dipole

Explanation

Question 50 of 52

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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?

Select one of the following:

  • A. passive

  • B. active

  • C. fingerprinting

  • D. calibrating

Explanation

Question 51 of 52

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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?

Select one of the following:

  • A. passive fingerprinting

  • B. passive calibrating

  • C. active fingerprinting

  • D. active calibrating

Explanation

Question 52 of 52

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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?

Select one of the following:

  • A. Real-Time FFT

  • B. Duty Cycle

  • C. Max Hold

  • D. Time Domain

Explanation

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