Which are the following are considered ISDN benefits?
A -
Full time connectivity across the ISDN supported by Cisco IOS routing using dial on demand routing DDR.
B -
Small office and home office sites can be economically supported with ISDN basic rate interface BRI services.
C -
ISDN can be used as a backup service for a lease line connection between the remote and central offices.
D -
All of the above
2-
You are the network administrator of the ABC Tire Company. You receive a call from a user who is
unable to reach a server at a remote server 10.0.5.250/240. Using VNC (Virtual Network Computing)
you connect to the user’s computer and discover the following information:
Local PC – 10.0.3.35/24
Default gateway – 10.0.3.1
Remote server – 10.0.5.250/240
You then conduct the following tests from the user’s PC:
Which of the following problems would create the test results listed above?
A -
TCP/IP not correctly installed.
B -
Local physical layer problem.
C -
Local NIC not functioning.
D -
Remote physical layer problem.
3-
Gail was working on your Cisco router while you were at lunch. Which command will display the last
commands Gail entered?
A -
Control header.
B -
Show buffer.
C -
Show history.
D -
Show history buffer.
4-
What is the bit pattern for the first octet of a class B network address 129.107.0.0?
A -
0xxxxxxx
B -
10xxxxxx
C -
110xxxxx
D -
1110xxxx
5-
Which command will provide you with information regarding the Layer 3 IP address of a directly
connected neighbor?
A -
Show ip interface
B -
Show cdb neighbors
C -
Show cdp neighbors detail
D -
Show ip route
6-
How many bits are used for a MAC address and how is number expressed?
A -
24 bits expression as a hexadecimal number.
B -
36 bits expression as a binary number.
C -
48 bits expression as a decimal number.
D -
48 bits expression as a hexadecimal number.
7-
User Datagram Protocol is a Connectionless transport layer protocol in the TCP/IP protocol stack. UDP is
defined in RFC 768. Which of the following are generally considered to be characteristics of UDP?
A -
Reliable.
B -
Non-reliable.
C -
Less bandwidth-intensive.
D -
Both B & C
8-
You have been called in to fix a router that is having security issues. The router has an access list
configured on it but the list does not seem to be working. What command can you use to see if the access
list has been applied to an interface?
A -
Show access-list.
B -
Show ip route.
C -
Show ip interface.
D -
Show interface list.
9-
Exhibit:
You are configuring an IP printer that is connected to your network. You would like to use the last IP
address that is on your subnet for this printer. You run ipconfig on your personal computer and the
exhibit shows your IP address and its subnet mask. Based on your IP address and subnet mask what
would the last possible address be on your subnet?
A -
172.20.7.255
B -
172.20.7.197
C -
172.20.7.190
D -
172.20.7.129
10-
Which of the following devices operate at Data Link layer of the OSI model?
