Computer gk 28 may

Q.1. A communication processor that connects dissimilar networks by providing the translation from one set of protocol to another is—

(1) Modem 

(2) Gateway 

(3) Router 

(4) Bridge 

(5) All of these 

Q.2. A group of computers and other devices connected together is called________.

(1) Network 

(2) Intranet 

(3) Internetworking 

(4) Both 2 and 3 

(5) Extranet 

Q.3. Transmission Lines are also called as________.

(1) Circuits 

(2) Channels 

(3) Trunks 

(4) Circuits channels, or trunks 

(5) Wire 

Q.4. The Switching Elements are also called as _____.

(1) Host 

(2) Terminal 

(3) Interface Message Processors (IMPs) 

(4) Both 1 and 2 

(5) Subnet 

Q.5. The distance a simple signal can travel in one period is called ________.

(1) Wavelength 

(2) Frequency 

(3) Propagation speed 

(4) Both 1 and 2 

(5) None of these 

Q.6. How many collision domains are created when you segment a network with a 12-port switch?

(1) 1 

(2) 12 

(3) 5 

(4) 2 

(5) 10 

Q.7. Which protocol does Ping use?

(1) TCP 

(2) ARP 

(3) ICMP 

(4) BootP 

(5) UDP 

Q.8. What is a stub network?

(1) A network that has only one entry and exit point. 

(2) A network with only one entry and no exit point. 

(3) A network with more than one exit point. 

(4) A network with more than one exit and entry point. 

(5) A network with more than one entry point. 

Q.9. Which of the following services use TCP?

(1) DHCP 

(2) SMTP 

(3) FTP 

(4) HTTP 

(5) 2, 3 and 4 

Q.10. Which of the following terms is used to describe a hardware- or software-based device that protects networks from outside threats?

(1) NIC 

(2) Gateway 

(3) Firewall 

(4) Hub 

(5) Server 

ANSWERS

Q.1. (2) Gateway 

Q.2. (1) A group of computers and other devices connected together is called Network.

Q.3. (4) Transmission Lines are also called as circuits channels, or trunks

Q.4. (3) The Switching Elements are also called as IMPs.

Q.5. (1) The distance a simple signal can travel in one period is called wavelength.

Q.6. (2) 12 

Q.7. (3) ICMP 

Q.8. (1) A network that has only one entry and exit point. 

Q.9. (5) SMTP, HTTP and FTP use TCP.

Q.10. (3) Firewall