NETWORKING

Which two of the following are connectivity options for wide area networks (WANs)? (Choose two.)

• Token ring

• Ethernet

• Dial-up

• Leased line

To which IP configuration does the CIDR notation 192.168.1.1/25 refer?

• A. 192.168.1.1 255.255.255.64

• B. 192.168.1.1 255.255.255.1

• D. 192.168.1.1 255.255.255.256

• E. 192.168.1.1 255.255.255.128

• C. 192.168.1.1 255.255.255.32

A user reports that she cannot connect to network resources from a computer on the company network. The user was able to connect to the network resources yesterday. You verify that the user's computer is properly physically connected to the network. You discover that the computer's IP address is 169.254.48.97. You need to restore access to network resources. What should you do next?

• A. Flush the cache on the DNS server.

• B. Reset the user's password on the server

• C. Check your router's current routing tables.

• D. Verify that the DHCP service is available.

In local area network (LAN) topologies, the primary media access methods are: (Choose two.)

• Contention

• Negotiation

• Kerberos

• Token passing

Which two are published IEEE 802.11 wireless transmission standards? (Choose two.)

• 802.1 If

• 802.11g

• 802.11k

• 802.11m

• 802.11n

What happens when an 802.11b node starts broadcasting within the range of an 802.llg access point?

• A. The access point will transmit, but the node will be unable to receive.

• B. A connection will be established

• C. Both the node and the access point will be unable to transmit.

• D. The node will transmit, but the access point will be unable to receive.

A VPN is a/an:

• A. Encrypted connection across the Internet.

• B. Virtual network within your local area network (LAN).

• C. Communication tunnel between VLANs

• D. Personal network for your use only.

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

• PING is improperly configured

• The DNS is not resolving.

• The DHCP server is offline.

• NSLOOKUP is stopped.

Which of the following are features of DHCP? (Choose two.)

• IP address resolution to canonical names

• Secure shell connections

• Address reservation

• Network file transfer

• IP address exclusion

The ping tool is used to: (Choose two.)

• Determine the network portion of a host address

• Self-test a host's own network interface

• Determine whether a host is reachable

• Manage a host's session when UDP is used