2.7 comptia practice

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

Four to eight

What protocol is used to retrieve email from a server and supports multiple clients connecting to the same mailbox simultaneously?

Internet Message Access Protocol (IMAP)

What is the basic function of a router?

It forward TCP/IP packets between dissimilar networks

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

It provides access to 3G and 4G networks.

Which term describes a group of computers and devices that share resources without a router within a small geographical area?

LAN

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

MAC filtering

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

SMTP

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

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

What is Packet switching?

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

What is the primary difference between LAN and WAN?

The geographic distance between the devices that are being networked

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

The messages are downloaded to the client and deleted from the server

How does a uniform Resource Locator (URL) get translated to an Internet protocol (IP) address?

Using the domain name system (DNS) resolution process

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

View the Same email from many different devices

What limitation should you be aware of when applying media access control (MAC)

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

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

latency

Which of the following is NOT a valid IP address?

192.168.1.256

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

A firewall appliance

What hardware Device is used to obtain internet access when the service provider delivers a coaxial cable?

A modem

What device is capable of performing packet switching?

A router


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