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- Question
What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive the following message? "Serial1 is down, line protocol is down."
Options- A. Physical layer
- B. Data Link layer
- C. Network layer
- D. None. It is a router problem.
- Correct Answer
- Physical layer
ExplanationIf you see that a serial interface and the protocol are both down, then you have a Physical layer problem. If you see serial1 is up, line protocol is down, then you are not receiving (Data Link) keepalives from the remote end. - 1. Which of the following command options are displayed when you use the Router# show frame-relay? command?
- dlci
- neighbors
- lmi
- pvc
- map
Options- A. 1 only
- B. 2 and 4
- C. 3, 4 and 5
- D. All of the above Discuss
- 2. How many collision domains are created when you segment a network with a 12-port switch?
Options- A. 1
- B. 2
- C. 5
- D. 12 Discuss
- 3. What is the maximum distance with maximum data rate for 802.11g?
Options- A. About 65-75 feet
- B. About 90-100 feet
- C. About 150 feet
- D. Over 200 feet Discuss
- 4. Which of the following commands will allow you to set your Telnet password on a Cisco router?
Options- A. line telnet 0 4
- B. line aux 0 4
- C. line vty 0 4
- D. line con 0 Discuss
- 5. You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?
Options- A. 255.255.255.192
- B. 255.255.255.224
- C. 255.255.255.240
- D. 255.255.255.248 Discuss
- 6. Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?
Options- A. frame-relay arp
- B. frame-relay map
- C. frame-relay interface-dci
- D. frame-relay lmi-type Discuss
- 7. What VTP mode allows you to change VLAN information on the switch?
Options- A. Client
- B. STP
- C. Server
- D. Transparent Discuss
- 8. The network address of 172.16.0.0/19 provides how many subnets and hosts?
Options- A. 7 subnets, 30 hosts each
- B. 8 subnets, 8,190 hosts each
- C. 8 subnets, 2,046 hosts each
- D. 7 subnets, 2,046 hosts each Discuss
- 9. Which command will allow you to see real-time translations on your router?
Options- A. show ip nat translations
- B. show ip nat statistics
- C. debug ip nat
- D. clear ip nat translations * Discuss
- 10. Which of the following is an IEEE standard for frame tagging?
Options- A. ISL
- B. 802.3Z
- C. 802.1Q
- D. 802.3U Discuss
More questions
Correct Answer: 3, 4 and 5
Explanation:
The
show frame-relay ? command provides many options, but the options available in this question are
lmi,
pvc, and
map.
Correct Answer: 12
Explanation:
Layer 2 switching creates individual collision domains.
Correct Answer: About 90-100 feet
Explanation:
The IEEE 802.11g standard provides a maximum data rate of up to 54Mbps, but you need to be close to the access point, somewhere around 90 to 100 feet.
Correct Answer: line vty 0 4
Explanation:
The command
line vty 0 4 places you in a prompt that will allow you to set or change your Telnet password.
Correct Answer: 255.255.255.224
Explanation:
You need 5 subnets, each with at least 16 hosts. The mask 255.255.255.240 provides 16 subnets with 14 hosts-this will not work. The mask 255.255.255.224 provides 8 subnets, each with 30 hosts. This is the best answer.
Correct Answer: frame-relay map
Explanation:
If you have a router in your Frame Relay network that does not support IARP, you must create Frame Relay maps on your router, which provide known DLCI-to-IP address mappings.
Correct Answer: Server
Explanation:
Only in server mode can you change VTP information on a switch.
Correct Answer: 8 subnets, 8,190 hosts each
Explanation:
A CIDR address of /19 is 255.255.224.0. This is a Class B address, so that is only 3 subnet bits, but it provides 13 host bits, or 8 subnets, each with 8,190 hosts.
Correct Answer: debug ip nat
Explanation:
The command
debug ip nat will show you in real time the translations occurring on your router.
Correct Answer: 802.1Q
Explanation:
802.1Q was created to allow trunked links between disparate switches.
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