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- Question
Which of the following is true when describing a global unicast address?
Options- A. Packets addressed to a unicast address are delivered to a single interface.
- B. These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
- C. These are like private addresses in IPv4 in that they are not meant to be routed.
- D. These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
- Correct Answer
- These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
ExplanationUnlike unicast addresses, global unicast addresses are meant to be routed. - 1. You have the following routing table. Which of the following networks will not be placed in the neighbor routing table?
R 192.168.30.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0 C 192.168.40.0/24 is directly connected, Serial0 172.16.0.0/24 is subnetted, 1 subnets C 172.16.30.0 is directly connected, Loopback0 R 192.168.20.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0 R 10.0.0.0/8 [120/15] via 192.168.40.1, 00:00:07, Serial0 C 192.168.50.0/24 is directly connected, Ethernet0
Options- A. 172.16.30.0
- B. 192.168.30.0
- C. 10.0.0.0
- D. All of them will be placed in the neighbor routing table. Discuss
- 2. 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
- 3. What multicast addresses does RIPng use?
Options- A. FF02::A
- B. FF02::9
- C. FF02::5
- D. FF02::6 Discuss
- 4. 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
- 5. 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
- 6. 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
- 7. Which layer 4 protocol is used for a Telnet connection?
Options- A. IP
- B. TCP
- C. TCP/IP
- D. UDP Discuss
- 8. What protocol does PPP use to identify the Network layer protocol?
Options- A. NCP
- B. ISDN
- C. HDLC
- D. LCP Discuss
- 9. 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
- 10. 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
More questions
Correct Answer: 10.0.0.0
Explanation:
The network 10.0.0.0 cannot be placed in the next router's routing table because it already is at 15 hops. One more hop would make the route 16 hops, and that is not valid in RIP networking.
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.
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