You ping a server by using fully qualified domain name JFQDN) and do not receive a response. Youthen ping the same server by using it IP address and receive a response.
Why do you receive a response on the second attempt but not on the first attempt?

• A.The DHCP server is offline.
• B.PING is improperly configured
• C.The DNS is not resolving.
• D.NSLOOKUP is stopped.

Comment: *

Name: *

Email: *

Verification: *

Which subnet mask is valid?

• A.255.255.255.240
• B.255.255.255.228
• C.255.255.255.164
• D.255.255.255.245

Correct Answer: A

These are valid:

Comment: *

Name: *

Email: *

Verification: *

A node within a local area network (LAN) must have a network interface device and a:

• A.Network account
• B.Table of all network nodes
• C.Host address
• D.Resource to share

Comment: *

Name: *

Email: *

Verification: *

An Action Center alert recommends that you enable Windows Firewall.
After enabling the firewall, you can no longer access websites.
Which two TCP ports should you add exceptions for on the firewall? (Choose two.)

• A.Port 21
• B.Port 23
• C.Port 25
• D.Port 80
• E.Port 443

Comment: *

Name: *

Email: *

Verification: *

What technology uses wires from the telephone company to provide broadband Internet connection?

• A.FDDI
• B.DSL
• C.cable
• D.Relay
• E.Frame

Comment: *

Name: *

Email: *

Verification: *