CompTIA A+ Networking

Which of the following network devices receives network traffic and makes a decision on whether to send it on based on the destination hardware address?

• Hub

• Bridge

• Access point

• Repeater

A technician installed a UTP splitter on one of your network segments that has CAT6e cable. What is the maximum speed supported by this connection?

• 10Mbps

• 100Mbps

• 1Gbps

• 10Gbps

You are installing a fiber-optic cable between two buildings. To install the cable, you must run it through a conduit between the buildings, and access to the conduit is not easy. Before you run the cable, you want to ensure it's working properly. Which tool should you use?

• Cable tester

• Multimeter

• Loopback plug

• Tone generator and probe

Which TCP/IP protocol, designed to download email, allows for multiple clients to be simultaneously connected to the same mailbox?

• SMTP

• POP3

• IMAP

• SMB

What are the advantages of IMAP over POP3 (select all that apply)

• IMAP4 works in connected and disconnected modes

• lets you store the email on the server, as opposed to POP3, which requires you to download it

• IMAP4 allows multiple clients to be simultaneously connected to the same inbox.

• POP3 is a more secure protocol

You are using your laptop on the company network. In your web browser, you type in www.google.com and press Enter. The computer will not find Google. You open the browser on your phone, and using your cellular connection, you can open Google without a problem. Your laptop finds internal servers and can print without any issues. What is the most likely reason you can't open Google?

• DNS server problem

• DHCP server problem

• Missing subnet mask

• Duplicate IP address

A technician needs to run a network cable to a remote building, which is approximately 15 kilometers from his base station. He's not sure if any cable will span that distance. What is the maximum distance of SMF cable?

• 300 meters

• 550 meters

• 40 kilometers

• 100 kilometers

You have been asked to install a run of RG-59 cable from one end of a building to the other. What is the maximum distance for this type of cable run?

• 100 meters (328 feet)

• 228 meters (750 feet)

• 304 meters (1,000 feet)

• 500 meters (1,645 feet)

You have been asked to install a run of RG-6 cable from one end of a building to the other. What is the maximum distance for this type of cable run?

• 100 meters (328 feet)

• 228 meters (750 feet)

• 304 meters (1,000 feet)

• 500 meters (1,645 feet)

Which one of the following TCP/IP protocols was designed as a replacement for Telnet?

• SMB

• SSH

• SFTP

• FTPS