What is the network address for a host with the IP address 123.200.8.68/28?
A -
123.200.8.0
B -
1231.200.8.32
C -
123.200.8.64
D -
123.200.8.65
2-
How does a layer two device such as a bridge or switch function?
A -
It passes packets outside of its network segment if its IP address cannot be found on its table.
B -
It looks up the frames destination in its address table and sends the frame towards the destination.
C -
It maintains a table of the IP address of the host connected to its internet segment
D -
It maintains the table of the data link layer and network layer addresses for the host connected to its network segment.
3-
Which of the following are reasons to use VLANs?
A -
They allow logical grouping of users by function.
B -
They enhance network security.
C -
They increase the number of broadcasts domain while decreasing their size.
D -
All of the above
4-
You need to segment your network which of the following hardware devices can you use to segment your
network?
A -
Switch
B -
Bridge
C -
Router
D -
All of the above
5-
Your company is concerned about Security on your network. Each department has its own file server
and the company also has an enterprise server that is shared by all departments. The accounting
department is concerned about the accounting information being accessible from the other departments.
What can you as the network administrator use to control the information so that it’s not being passed
between the departments?
A -
Bridge between management and sites.
B -
Routers to provide the most secure segmentation.
C -
A hub to provide the ease of management and a satisfactory alternative for the network security.
D -
An Ethernet switch to secure separation through programming the access list of each port of the switch.
6-
What are the advantages of using the OSI layered network model?
A -
Allows multiple-vendor development through standardization of network components.
B -
Allows various types of network hardware and software to communicate.
C -
Prevents changes in one layer from affecting other layers, so it does not hamper development.
D -
All of the above
7-
You have a leased line configured at a small office that connects to the corporate office. You company
would also like to have a backup incase the lease line goes down. Which WAN service would you most
likely choose to backup the leased line?
A -
Frame relay with SVC
B -
Dedicated serial line
C -
ISDN with DDR
D -
ATM
8-
What was one of the most important reasons the International Organization for Standardization released
the OSI model?
A -
Users could access network server faster.
B -
Different vendor’s networks could work with each other.
C -
The industry could create a standard for how computers work.
D -
The network administrator could increase the overall speed of their network.
9-
Which channels are used by ISDN BRI?
A -
2d+b
B -
23d+b
C -
2b+d
D -
23b+d
10-
Access-list 122 permit ip 131.107.30.0 0.0.0.255 any
You apply the access-list above. Which is the effect?
A -
Permit all packets matching the first three octets of the source address to all destinations.
B -
Permit all packets matching the last of the destination address and accept all source address.
C -
Permit all packets from the third subnet of the network address to all destinations.
D -
Permit all packets matching the host bits in the source address to all destinations.
