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You are the network administrator at CertKing , Ltd. A CertKing user calls to complain that she cannot
connect to a server at a remote site. Your preliminary investigations reveal the following information:
local PC 192.166.33.21/24
default gateway 192.166.33.17
remote server 192.160.225.33/24
You conduct the following tests from the local PC.
ping 192.160.225.33 - unsuccessful
ping 192.166.33.17 - unsuccessful
ping 127.0.0.1 - unsuccessful
ping 192.166.33.21 - unsuccessful
What is the probable cause of this problem?A. The local PC has the wrong IP address.B. A physical layer problem on the local PC.C. The default gateway address is wrong.D. A remote network layer problem.E. None of the above.Ans: B
Explanation:
The local PC 192.166.33.21 was not able to ping itself. The best Ans would be B.
Q30
You are a technician at CertKing . Your newly appointed CertKing trainee wants to know why the
Spanning-Tree algorithm is used in a switched LAN.
What would your reply be?A. It is used to provide a mechanism for routing updates in switched environments.B. It is used to prevent routing loops in networks with redundant routes.C. It is used to prevent switching loops in networks with redundant switched routes.D. It is used to manage, the addition, deletion, and naming of VLANs across multiple switches.E. It is used to segment a network into multiple collision domains.Ans: B
Explanation:
To avoid loops, all bridging devices, including switches, use STP. STP causes each interface on a bridging
device to settle into a blocking state or a forwarding state. Blocking means that the interface cannot forward or
receive data frames. Forwarding means that the interface can send and receive data frames. By having a correct
subset of the interfaces blocked, a single currently active logical path will exist between each pair of LANs.
Reference:
CCNA Self-Study CCNA INTRO exam certification Guide (Cisco Press, ISBN 1-58720-094-5) page 248
Q31
You are the network administrator at CertKing . You want to telnet to a remote Cisco router using
TCPO/IP but cannot create a session.
What should you do to resolve the problem?A. Use a straight-through cable to connect your computer's COM port to the router's console port.B. Use a crossover cable to connect your computer's COM port to the router's console port.C. Use a straight-through cable to connect your computer's COM port to the router's Ethernet port.D. Use a crossover cable to connect your computer's Ethernet port to the router's Ethernet port.E. Use a rollover cable to connect your computer's Ethernet port to the router's Ethernet port.F. Use a straight-through cable to connect your computer's Ethernet port to the router's Ethernet port.Ans: D
One of the CertKing customers, a school has purchased a Cisco Unity and had a series of
call handlers customized as a homework hotline. Every teacher is supposed to update
their homework assignments on this hotline by changing the greeting in the call handler
for their classes respectively.
They should be able to change the assignment for their class only.
How can this be accomplished by means of call handlers?A. You cannot do this using call handlers. Only the system administrator may change
greetings.B. Create an Access List for each of the teachers individually. Provide them with their
respective extensions and teach them to use the Cisco Unity Greetings Administrator.C. Make each teacher the owner of their individual homework assignment call handler.
Provide each teacher with a list of the extensions used by their homework assignment
call handler. Teach the teachers to use the Cisco Unity Greetings administrator.D. Create a public distribution list of all teachers. Make this group the owner of each
homework assignment call handler, provide the teachers with a list of the extensions
used for each homework assignment call handler. Teach the teachers to use the Cisco
Unity Greetings Administrator.E. Create a public distribution list of all teachers. Make this group the message recipient
of each homework assignment call handler. Provide the teachers with a list of the
extensions used for each homework assignment call handler. Teach the teachers to use
the Cisco Unity Greetings Administrator.Ans: C
Q17
The CertKing Services Department manager wants a direct complaint service where he
will receive live calls that are identified as coming from this call handler. If in the event
that he cannot Ans, a message should be taken and sent to him.
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