Networks and protocols Practice quiz 1

Online CS University

Communication networks and protocols

Practice Quiz




Exercise1: Check the right answer




1-The DHCP protocol is a model:

● Client-Server
● Peer to Peer
● Both
● Neither




2-In the DHCP server configuration file, we can specify the subnets on which it should intervene:

● No
● Yes




3-To share Internet access, we use:

● Static NAT
● Dynamic NAT
● Neither, another solution.




4-SNAT means:

● Static NAT
● Source NAT
● Segment NAT

, 5-The acronym PAT means:

● Packet Address Transition
● Port ACK Transmission
● Port Address Translation




6-NAT will have to modify:

● IP addresses only
● TCP/UDP ports only
● Both at the same time
● Neither.




7-DNS is part of the layer:

● Internet
● Application
● Transport




8-Which of these protocols does not belong to the 'Application' layer of the TCP/IP model:

● HTTP
● UDP
● TFTP



Exercise 2: Problem VLSM



Let the machine address M1= 172.16.31.138, give :

1- The class: ………. and the default network mask: ……….

2- The network address of this machine:...............

3- This network contains 120 installed subnets, give the modified mask:.......... (/.......)

4- How many subnets, at most, can be installed in this network:..........