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  • Question

  • A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?
    A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as s

    1. A crossover cable should be used in place of the straight-through cable.
    2. A rollover cable should be used in place of the straight-through cable.
    3. The subnet masks should be set to 255.255.255.192.
    4. A default gateway needs to be set on each host.
    5. The subnet masks should be set to 255.255.255.0.


  • Options
  • A. 1 only
  • B. 2 only
  • C. 3 and 4 only
  • D. 1 and 5 only
  • E. 2 and 5 only

  • Correct Answer
  • 1 and 5 only 

    Explanation
    First, if you have two hosts directly connected, as shown in the graphic, then you need a crossover cable. A straight-through cable won't work. Second, the hosts have different masks, which puts them in different subnets. The easy solution is just to set both masks to 255.255.255.0 (/24).

    • More questions

    • 1. Which class of IP address has the most host addresses available by default?

    • Options
    • A. A
    • B. B
    • C. C
    • D. A and B
      • Discuss
    • 2. How many non-overlapping channels are available with 802.11a?

    • Options
    • A. 3
    • B. 12
    • C. 23
    • D. 40
      • Discuss
    • 3. 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
    • 4. 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
    • 5. What multicast addresses does RIPng use?

    • Options
    • A. FF02::A
    • B. FF02::9
    • C. FF02::5
    • D. FF02::6
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. Which layer 4 protocol is used for a Telnet connection?

    • Options
    • A. IP
    • B. TCP
    • C. TCP/IP
    • D. UDP
      • Discuss
    • 10. What protocol does PPP use to identify the Network layer protocol?

    • Options
    • A. NCP
    • B. ISDN
    • C. HDLC
    • D. LCP
      • Discuss

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