B. Network
C. Data Link
D. Transport
Question 2 . When using repeater to expand network segments, we can:
A. Set up to 4 network segments with computers
B. Use up to 4 repeater
C. There are up to 5 network segments
D. There are up to 3 network segments
E. b and c
Question 3 : Select 2 Presentation functions:
A. Encrypt data
B. Provide user network services
C. Data segmentation
D. Addressing
Question 4 . Representation of 125 from decimal base to binary base.
A. 01111101
B. 01101111
C. 01011111
D. 01111110
Question 5 . Which of the following statements is best for Switch
A. Using physical address and Physical layer operation of OSI model
B. Using physical addresses and operations at the Network layer of the OSI model
C. Use physical address and operate at Data Link layer of OSI model
D. Using IP address and operating at Network layer of OSI model
Question 6 . The normal communication environment in computer networks is:
A. Cables such as UTP, STP, telephone cable, .
B. Optical cable, electromagnetic wave, .
C. All of the above environments
D. Include b and c
Question 7 . A router is a device used to:
A. Routing between networks
B. Filter redundant packets
C. Expand a network
D. All 3 are right
Question 8 . Bridge device allows:
A. Prevent packets of type Broadcast going through it
B. Help routing for packets
C. Connecting two LANs simultaneously acts as a filter: Only allows packets whose destination address is outside the LAN branch to which the packet originates, passes through
D. Enhance electrical signals to extend network segment
Question 9 . Equipment Hub allows:
A. Extend a branch LAN through amplifying the signal transmitted to it
B. Prevent packets of type Broadcast going through it
C. Help routing for packets
D. Connect multiple computers with
each other to form a LAN branch (segment)
Question 10 . Network layer (specifically in IP layer) is responsible for:
A. Based on the destination IP address available
In the packet, it decides to select the appropriate route for the packet
B. Determine the destination of the packet
C. Detecting lost packets and sending back packets
D. Split the packet into frames
Question 11 Router device allows:
A. Extend a branch LAN through amplifying the signal transmitted to it
B. Connect multiple computers together
C. Link multiple LANs together, and prevent packets of type Broadcast from going through it and help routing packets
D. Routing for packets, splitting Collision Domains but not splitting Broadcast Domains
Question 12 To limit the clash of packets on a network segment, people divide the network into smaller networks and connect them with devices:
A. Repeaters
B. Hubs
C. Bridges or Switches
D. Router
Question 13 . Which application belongs to Client / Server type:
A. WWW (world wide web)
B. WinWord
C. Excel
D. Photoshop
Verse 14 . Which addresses belong to class A:
A. 10001100 11001100 11111111 01011010
B. 11001111 11110000 10101010 01010101
C. 01111010 10100101 1100001111100011
D. 11011010 10101010 01010101 11110011
Question 15 . Which of the following network devices is capable of routing a packet (transferring the packet to another next network on the way to the destination network) by relying on the IP address of the destination machine in the packet and the current information. Network status is shown in the routing table in the device:
A. Bridge
B. Router
C. Both A and B
D. Switch
Answer:
1 C
2. E
3. A
4. A
5. C
6. C
7. D
8. D
9. D
10. A
11. D
12. C
13. A
14. C
15. B
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