Which of the following is the default POP3 port number?

• A. 995
• B. 2525
• C. 110
• D. 143

The default port number of SMTP is _________

• A. 25
• B. 110
• C. 2525
• D. 143

POP3 protocol belongs to which layer of the ISO OSI model?

• A. Data link layer
• B. Network layer
• C. Application layer
• D. Transport layer

Which mail access protocol is used for accessing email from multiple clients?

• A. Pop3
• B. Imap
• C. SMTP
• D. Snmp

Which port is used for sending messages using SMTP securely?

• A. 465
• B. 995
• C. 110
• D. 143

Which protocol forbids users from making any modifications like create, delete or rename emails on the mail server?

• A. Pop3
• B. Imap
• C. Mapi
• D. Snmp

IMAP protocol is used to ___________

• A. To manage devices on the network
• B. Sending an email through the internet
• C. Download the entire email account inbox on the computer
• D. Synchronizes email on the computer with the email account’s email-server

Which routing algorithm was replaced by link state routing algorithm in the ARPANET?

• A. Path routing
• B. Distance vector routing
• C. Broadcast routing
• D. Multicast routing

Same topology is used by all the nodes to construct a routing table in link state routing.

• A. True
• B. False
• C.
• D.

What is flooding in link state routing in case of exchanging topology information?

• A. Exposing routing tables to neighbors
• B. Sending duplicate packets to nodes
• C. Communicating with every router using messages
• D. Spreading link state packets