Computer Network//Final Exam Notes Q&A
1. what does a WAN do.?
- network that operates over a large area
- network that operates over a local area - =network that operates over a large area
2. what are the PDUs of the Transport Layer.? - =bit, frame, packet
3. what term is used to describe throughput capacity for a network - =bandwidth
4. what is the port # for HTTP.? - =80
5. the network area within which data packet originate and collide is called a what - =collision domain
6. which layer of the OSI model is responsible for reliable network communication between nodes and
provides the mechanism for maintenance and information flow control.? - =transport layer
7. what does the twisting of cable wires do in CAT 5 cables.?
- increase data throughput
- increase noise
- decrease data throughput
- decrease noise - =decrease noise
8. which best describes a collision in a collision on the network.?
- the collision of two data transmissions at a point
- the result of two nodes transmitting at the same time - =the result of two nodes transmitting at the
same time
, 9. how many collision domains exist on a subnetwork containing two 8 port hubs.?
-1
-2
-4
- 6 - =1
10. separating collision domains with bridge, switch and routers is called.? - =segmentation
11. what kind of cable provides inter connection between buildings that are part of the same LAN.? -
=backbone cable
12. how many binary bits are in a subnet mask.? - =32
13. what do routing protocols do.?
- enable routers on the network to forward data faster to their destination
- enable routers on the network to exchange routing tables quickly - =enable routers on the network to
exchange routing tables quickly
14. the purpose of the DMZ is for ___. - =security
15. T/F - routers broadcast to routers - =False
16. the RAID configurations that provides disparity by distributing is
- Raid 0
1. what does a WAN do.?
- network that operates over a large area
- network that operates over a local area - =network that operates over a large area
2. what are the PDUs of the Transport Layer.? - =bit, frame, packet
3. what term is used to describe throughput capacity for a network - =bandwidth
4. what is the port # for HTTP.? - =80
5. the network area within which data packet originate and collide is called a what - =collision domain
6. which layer of the OSI model is responsible for reliable network communication between nodes and
provides the mechanism for maintenance and information flow control.? - =transport layer
7. what does the twisting of cable wires do in CAT 5 cables.?
- increase data throughput
- increase noise
- decrease data throughput
- decrease noise - =decrease noise
8. which best describes a collision in a collision on the network.?
- the collision of two data transmissions at a point
- the result of two nodes transmitting at the same time - =the result of two nodes transmitting at the
same time
, 9. how many collision domains exist on a subnetwork containing two 8 port hubs.?
-1
-2
-4
- 6 - =1
10. separating collision domains with bridge, switch and routers is called.? - =segmentation
11. what kind of cable provides inter connection between buildings that are part of the same LAN.? -
=backbone cable
12. how many binary bits are in a subnet mask.? - =32
13. what do routing protocols do.?
- enable routers on the network to forward data faster to their destination
- enable routers on the network to exchange routing tables quickly - =enable routers on the network to
exchange routing tables quickly
14. the purpose of the DMZ is for ___. - =security
15. T/F - routers broadcast to routers - =False
16. the RAID configurations that provides disparity by distributing is
- Raid 0
