Student

Homework8

1. The e-mail server operates which two separate processes?

a. Mail Transfer Agent(MTA)

b. Mail Transfer Bridge (MTB)

c. Mail User Agent (MUA

d. Mail Delivery Agent(MDA)

2. The Domain Name System (DNS) was created to do what?

e. Resolve domain names to e-mail addresses.

f. Resolve domain names to MAC addresses.

g. Resolve domain names to computer names.

h. Resolve domain names to IP addresses.

3. The different top-level domains represent which of the following? (Choose all correct answers.)

i. Type of organization

j. Country of origin

k. Company or brand name

l. File server name

4. To receive e-mail messages from an e-mail server, the e-mail client can use which of the following protocols?

m. SMTP

n. SSH

o. STP

p. POP

5. Which application layer protocols correctly match a corresponding function? (Choose two.)

q. DNS dynamically allocates IP addresses to hosts

r. HTTP transfers data from a web server to a client

s. POP delivers email from the client to the server email server

SMTP supports file sharing

t. Telnet provides a virtual connection for remote access

6. As compared to SSH, what is the primary disadvantage of telnet?

u. not widely available

v. does not support encryption

w. consumes more network bandwidth

x. does not support authentication

7. What application layer protocol describes the services that are used for file sharing in Microsoft networks?

y. DHCP

z. DNS

{. SMB

|. SMTP

}. Telnet

8. How does the application layer on a server usually process multiple client request for services?

~. ceases all connections to the service

. denies multiple connections to a single daemon

. suspends the current connection to allow the new connection

. uses support from lower layer functions to...