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Computer Networks Final Revision Questions

1- What is meant by computer Network?

2- State the two components of computer networks?

3- Classify the network types from the geographical point of view

(size).

4- What is the basic two types of computer networks?

5- Compare between the P2P and Client Server Networks?

6- State for different types of network servers?

7- What are the recommended specs of the file and print servers?

8- What are the recommended specs of the web servers?

9- What are the recommended specs of the application servers?

10- List three examples of Application servers?

11- What is the difference between Internet, intranet and Extranet?

12- List 6 different network topologies?

13- What is the advantage, disadvantage of Bus topology?

14- What is the advantage, disadvantage of Star topology?

15- What is the advantage, disadvantage of Ring topology?

16- What is the advantage, disadvantage of wireless topology?

17- What is the advantage, disadvantage of mesh topology?

18- What is the two types of wireless topology?

19- List three types of network connectivity cables?

20- Compare between coaxial cables two types?

21- Compare between fiber cables two types?

22- Compare between Twisted pair cables two types?

23- What is the wire configuration to connect two PC’s together?

24- What is the wire configuration to connect PC with a router?

25- What is the difference between Cross Over and straight through?

26- State two different connectors for the twisted pair cables?

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27- State two different connectors for the coaxial cables?

28- State two different connectors for the Fiber cables?

29- List three different Access methods.

30- What is the difference between baseband and broadband

communication?

31- What is the mean of 100BaseTX, 10BaseCX?

32- What is the mean of 1000BaseTX, 100BaseFX?

33- State 3 different NOS’s.

34- List 4 different network operating system features?

35- Give an example for the directory service in 2 different network

operating systems?

36- Give an example for the Email service in windows Server

operating systems?

37- What is meant by project 802.11 standards?

38- Compare between 802.11a, 802.11b, 802.11g and 802.11N

39- What is meant by TCP, IP and UDP?

40- What is meant by FTP, TFTP and NFS?

41- What is meant by IPX and SPX.

42- What is mean by NIC,MAC .

43- Compare between simplex mode, half duplex mode and Full

duplex mode?

44- What is meant by loopback test on 127.0.0.1?

45- Compare between 3 different types of Hubs?

46- What is the role of Hubs and Switches in computer networks?

47- Which type of hubs acts as a repeater?

48- Compare between hubs and switches?

49- What is VLAN and when we need to use it?

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50- List 4 different network switch features?

51- What is the role of Routers in networks?

52- Compare between host-based and network based firewalls.

53- Compare between passive IDS and active IDS.

54- List two different network security devices.

55- What is the role of repeaters in computer networks?

56- What is the role of bridges in computer networks?

57- Figure out the TCP/IP internet model 4 different layers?

58- What is meant by ARP , ICMP ,HTTPS,POP3 ?

59- What is meant by SMTP , HTTP ,SFTP and IMAP4.

60- Compare between IPV4 and IPV6?

61- What is the role of Subnet masks in TCP/IP Configuration?

62- List 5 different IP classes in computer networks?

63- What is the role of Default gateway in TCP/IP Configuration?

64- Classify each of the following IP Addresses classes :

16.5.40.8

199.5.8.200

127.0.0.1

65- Classify each of the following IP Addresses classes :

130.33.40.8

240.15.80.200

192.168.1.5

66- Classify each of the following IP Addresses classes :

116.5.40.8

22.5.88.100

10.0.0.15

67- When we use IP Addresses from class D?

68- When we use IP Address from class E?

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69- For each class this subnet mask belongs? (255.0.0.0).

70- For each class this subnet mask belongs? (255.255.0.0).

71- For each class this subnet mask belongs? (255.255.255.0).

72- Why is the following IP addresses illegal to be taken by any Host

in networks.

X.X.X.0 and X.X.X.255?

73- Compare between broadcast, multicast and unicast addressing

schemes.

74- What is Ports means and what are the basic two categories of it?

75- What is meant by known ports and dynamic ports?

76- Can we use port 80 or 21 in our Software products as dynamic

ports?

77- Configuring TCP/IP systems manually is not the best approach

why?

78- What is meant by APIPA protocol and When the Hosts uses

APIPA?

79- What is the role of boot protocol?

80- What is meant by DNS?

81- When we use the hosts file ?

82- Compare between DNS and Wins ?

83- What is meant by NAT,PAT,SNAT,ICS?

Wish you all success in Exams