1. Which option is NOT a networking protocol?

a. MBP

b. FTP

c. TCP

d. POP3

2. Which device is typically used to connect an Ethernet to an Internet Service Provider(ISP).

a. Data Server

b. Switch

c. End System

d. Router

3. From the perspective of the OSI model in computer networking, which layer does the UDP protocol work at?

a. Data Link Layer

b. Network Layer

c. Application Layer

d. Transport layer

4. What is the data unit sent/received over the Link layer in the OSI model?

a. segment

b. message

c. frame

d. datagram

5. Which option is NOT a source of packet delay in computer networking?

a. Transmission delay

b. segment delay

c. propagation delay

d. nodal processing

6. In which context, at most one object can be sent over one TCP connection ,and then the connection will be closed.

a. Persistent HTTP

b. non-persistent HTTP

c. semi-persistent HTTP

d. None

7. Which option is NOT a method in HTTP/1:1?

a. GET

b. PUT

c. POST

d. PULL

8. Which option is used to maintain User-Server states in HTTP protocol?

a. cookies

b. buffer

c. flash

d. memory

9. Which statement is TRUE about web caching?

a. It can help reduce response time for client requests

b. It can help reduce traffic on an institution's access link

c. It can enable content providers to effectively deliver content

d. All of the above

10. Which protocol is used to control data sending and receiving between mail servers in email communications>

a. POP3

b. FTP

c. SMTP

d. IMAP