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Cisco 642-742 Exam Syllabus Topics:

Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:

1. You are getting complaints from Cisco Unified Wireless IP Phone 7925 users that their phones are failing to register with the Cisco Unified Communications Manager Express server and are showing the message "Registering." What is the problem?

A) The IP phones are failing to receive a DHCP address from the DHCP server.
B) The DHCP server needs to include the command option 66 ip <ip address> to serve the appropriate load file.
C) The IP phones are failing to receive their firmware files from the TFTP server.
D) There is no ephone configuration for each phone in the Cisco Unified CME device.

2. What three changes occur when you replace a legacy 802.11a/b/g Cisco AP with an 802.11a/b/g/n Cisco 3500 Series AP? (Choose three.)

A) increased data rate at reduced distance
B) benefits in 5 GHz only
C) benefits in 2.4 GHz only
D) benefits in both 2.4 and 5 GHz
E) increased data rate at same distance
F) increased data rate at increased distance

3. Which of these authentication and encryption combinations would be considered the most secure?

A) EAP-FAST and WPA2 AES
B) LEAP and WPA TKIP
C) EAP-FAST and WPA TKIP
D) WPA-PSK and TKIP

4. A customer has upgraded to 802.11n with ClientLink, set to defaults, to improve video performance on legacy clients. They notice that ClientLink is not kicking in for an 802.11a client with 36 Mb data rate and -55db RSSI. What is the problem?

A) data rate too low
B) data rate too high
C) RSSI too high
D) RSSI too low

5. Refer to the exhibit.

Voice-bearer traffic is being sent downstream using a WLAN configured for gold QoS. Which two of these options indicate the inner 802.11e QoS markings and QoS CAPWAP
markings that are used at location 1? (Choose two.)

A) Outer CAPWAP: DSCP AF31
B) Outer CAPWAP: DSCP AF41
C) Inner 802.11e: UP 5
D) Inner 802.11e: UP 3
E) Outer CAPWAP: CoS 4
F) Inner 802.11e: UP 4

Solutions: