2.7 explain basic networking concepts

Question 1

what is the networking term that describes the total time it takes a data packet to travel from one node to another?

Answer 1

Latency

Question 2

What is the basic function of a router?

Answer 2

It forwards TCP/IP packets between dissimilar networks

Question 3

what protects a network by denying specific types of incoming traffic?

Answer 3

a firewall appliance

Question 4

what device is capable of preforming packet switching

Answer 4

a router

Question 5

what protocol is used to retrieve email from a sever and supports multiple clients connecting to the same mailbox simultaneously

Answer 5

Internet Message Access Protocol (IMAP)

Question 6

what usually happens to email messages when a client accesses them using the Post Office Protocol v3 (POP3)

Answer 6

the messages are downloaded to the client and then deleted for the server

Question 7

what hardware device is used to obtain Internet access when the service provider delivers a coaxial cable

Answer 7

a modem

Question 8

What limitation should you be aware of when applying Media Access Control (MAC) filtering on your network devices?

Answer 8

You will need to modify the safe list for each new authorized client device going forward.

Question 9

What does Internet Message Access Protocol 4 (IMAP4) allow a user to do that Post Office Protocol 3 (POP3) does not?

Answer 9

View the same email from many different devices

Question 10

What is the advantage of downloading files from a site that begins with HTTPS as opposed to HTTP?

Answer 10

The HTTPS site uses SSL/TLS to encrypt data and provide a secure connection.

Question 11

What is the primary difference between a LAN and a WAN?

Answer 11

The geographic distance between the devices that are being networked

Question 12

Which feature of a wireless router allows you to specify precisely which wireless clients may join your network?

Answer 12

MAC filtering

Question 13

The Post Office Protocol v3 (POP3) protocol is for incoming mail. Which protocol is used for outgoing mail?

Answer 13

The Simple Mail Transfer Protocol (SMTP)

Question 14

What is packet switching?

Answer 14

The ability of one computer to forward information to another using any available pathway

Question 15

Which is NOT a key function of a Small Office Home Office (SOHO) wireless router?

Answer 15

It provides access to 3G and 4G networks.

Question 16

How many Ethernet LAN ports are typically found on a Small Office Home Office (SOHO) network switch?

Answer 16

Four to eight