Which one of the following statements about an Ethernet LAN is true?
A -
The advantage of a full duplex is the ability to transmit data over Mbase2 cable.
B -
Full duplex Ethernet requires a point-to-point connection when only two nodes are present.
C -
Ethernet switches can use full duplex mode to connect multiple nodes to a single port of a switch.
D -
Half duplex is a cut through packet processing method that is very fast with little error correction, full duplex is store and forward method that is slower but has better error correction.
2-
Assuming that our network is using an older version of UNIX what is the maximum number of subnets
that can be assigned to networks when using the address 131.107.0.0 with a subnet mask of
255.255.240.0?
A -
16
B -
32
C -
30
D -
14
3-
AJ has just created an IP access-list and you will like to see if he has applied this access-list to an
interface. Which one of following commands will allow you to see if an access-list has been applied to an
interface?
A -
Router# show ip interface
B -
Router> show access-list
C -
Router# show ip access-list
D -
Router> show interface ip access-list
4-
You have just been hired to setup a new company network. This company will be using an accounting
package that requires multiple hosts. These hosts are the accountants and they must be able to support
data transfer between each other at a rate of 10 Mbps. The company will also have a file server that is
used for the other employees of the company who just use word processing applications that use less than
3 Mbps to transfer files to server.
What is your economical recommendation?
A -
That the existing 10BaseT hub be replaced with 100BaseT hub to improve overall performance.
B -
That a router can separate the testing application from the rest of the network thus allowing the testing application more bandwidth.
C -
That the switch be installed so that enterprise server can be provided a 100 Mbps port and each of the testing application hosts can be given dedicated 10 Mbps ports.
D -
That a bridge be placed between the enterprise server and all other users with the exception of the testing application.
5-
You would like to use Ethernet 100BaseTx in your network. What is the maximum cable length?
A -
10 m
B -
50 m
C -
100 m
D -
1000 m
6-
One of the security mechanisms used in securing a router is access-lists. You have decided to use
Standard IP access lists in your company which of the following is an example of a Standard IP access
lists?
A -
Access-list standard 172.16.4.13
B -
Access-list 2 deny 172.16.4.13 0.0.0.0
C -
Access-list 101 deny 172.16.4.13 0.0.0.0
D -
Access-list 199 deny 172.16.4.13 255.255.255.255
7-
Using your protocol analyzer you have determined your network is very congested. Currently all the
devices are connected through a hub. Which solution would best decrease congestion on the network?
A -
Add a second hub.
B -
Replace the hub with a router.
C -
Replace the hub with a switch.
D -
Replace the hub with a repeater.
8-
What is the maximum cable distance for 100BaseT?
A -
607 ft
B -
25 meters
C -
1000 ft
D -
100 meters
9-
Which of the following are true about debug output?
A -
To view debug output from a telnet session, the "terminal monitor" command must be used.
B -
If the "logging buffered" command is used, the debug output would be sent to RAM and can be viewed with the "show log" command.
C -
If the "no logging console" command were configured, output would not be sent to the console.
D -
All of the above.
10-
Your company has decided to pay for one ISDN B channel to your to house so that you can do some
technical support from home. What is the bandwidth capacity of a single ISDN B channel?
