Discussion
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- Question
Which command will delete the contents of NVRAM on a router?
Options- A. delete NVRAM
- B. delete startup-config
- C. erase NVRAM
- D. erase start
- Correct Answer
- erase start
ExplanationThe erase startup-config command erases the contents of NVRAM and will put you in setup mode if the router is restarted. - 1. You have created a named access list called Blocksales. Which of the following is a valid command for applying this to packets trying to enter interface s0 of your router?
Options- A. (config)# ip access-group 110 in
- B. (config-if)# ip access-group 110 in
- C. (config-if)# ip access-group Blocksales in
- D. (config-if)# blocksales ip access-list in Discuss
- 2. What multicast addresses does RIPng use?
Options- A. FF02::A
- B. FF02::9
- C. FF02::5
- D. FF02::6 Discuss
- 3. What is the maximum distance running the lowest data rate for 802.11a?
Options- A. About 100 feet
- B. About 175 feet
- C. About 300 feet
- D. About 350 feet Discuss
- 4. Which of the following is considered to be the destination host before translation?
Options- A. Inside local
- B. Outside local
- C. Inside global
- D. Outside global Discuss
- 5. Which router command allows you to view the entire contents of all access lists?
Options- A. show all access-lists
- B. show access-lists
- C. show ip interface
- D. show interface Discuss
- 6. Which layer 4 protocol is used for a Telnet connection?
Options- A. IP
- B. TCP
- C. TCP/IP
- D. UDP Discuss
- 7. What protocol does PPP use to identify the Network layer protocol?
Options- A. NCP
- B. ISDN
- C. HDLC
- D. LCP Discuss
- 8. What command will permit SMTP mail to only host 1.1.1.1?
Options- A. access-list 10 permit smtp host 1.1.1.1
- B. access-list 110 permit ip smtp host 1.1.1.1
- C. access-list 10 permit tcp any host 1.1.1.1 eq smtp
- D. access-list 110 permit tcp any host 1.1.1.1 eq smtp Discuss
- 9. The Corporate router receives an IP packet with a source IP address of 192.168.214.20 and a destination address of 192.168.22.3. Looking at the output from the Corporate router, what will the router do with this packet?
Corp#sh ip route [output cut] R 192.168.215.0 [120/2] via 192.168.20.2, 00:00:23, Serial0/0 R 192.168.115.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0 R 192.168.30.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0 C 192.168.20.0 is directly connected, Serial0/0 C 192.168.214.0 is directly connected, FastEthernet0/0
Options- A. The packet will be discarded.
- B. The packet will be routed out the S0/0 interface.
- C. The router will broadcast looking for the destination.
- D. The packet will be routed out the Fa0/0 interface. Discuss
- 10. Which statement(s) about IPv4 and IPv6 addresses are true?
- An IPv6 address is 32 bits long, represented in hexidecimal.
- An IPv6 address is 128 bits long, represented in decimal.
- An IPv4 address is 32 bits long, represented in decimal.
- An IPv6 address is 128 bits long, represented in hexidecimal.
Options- A. 1 and 3 only
- B. 2 only
- C. 3 and 4
- D. 2 and 4 Discuss
More questions
Correct Answer: (config-if)# ip access-group Blocksales in
Explanation:
Using a named access list just replaces the number used when applying the list to the router's interface.
ip access-group Blocksales in is correct.
Correct Answer: FF02::9
Explanation:
RIPng uses the multicast IPv6 address of
FF02::9. If you remember the multicast addresses for IPv4, the numbers at the end of each IPv6 address are the same.
Correct Answer: About 175 feet
Explanation:
The IEEE 802.11a standard's lowest data rate is 6Mbps, but it can run from a distance of about 175 feet.
Correct Answer: Outside local
Explanation:
The host on the global network before translation is considered to be an outside local host.
Correct Answer: show access-lists
Explanation:
To see the contents of all access lists, use the
show access-lists command.
Correct Answer: TCP
Explanation:
Although Telnet does use TCP and IP (TCP/IP), the question specifically asks about layer 4, and IP works at layer 3. Telnet uses TCP at layer 4.
Correct Answer: NCP
Explanation:
Network Control Protocol is used to help identify the Network layer protocol used in the packet.
Correct Answer: access-list 110 permit tcp any host 1.1.1.1 eq smtp
Explanation:
When trying to find the best answer to an access-list question, always check the access-list number and then the protocol. When filtering to an upper-layer protocol, you must use an extended list, numbers 100-199 and 2000-2699. Also, when you filter to an upper-layer protocol, you must use either
tcp or
udp in the protocol field. If it says
ip in the protocol field, you cannot filter to an upper-layer protocol. SMTP uses TCP.
Correct Answer: The packet will be discarded.
Explanation:
Since the routing table shows no route to the 192.168.22.0 network, the router will discard the packet and send an ICMP destination unreachable message out interface FastEthernet 0/0, which is the source LAN where the packet originated from.
Correct Answer: 3 and 4
Explanation:
IPv4 addresses are 32 bits long and are represented in decimal format. IPv6 addresses are 128 bits long and represented in hexadecimal format.
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