A workstation on the network is unable to connect to the server. Which utility should be used FIRST when troubleshooting?

Comparing with 100Base-TX, 100Base-FX has which advantage?

The OC-3 line transfers data at which standard rate?

How many bits compose an Ethernet MAC address?

802.11a operates at which frequency range?

You work as a network administrator at certways.com. certways’s network is medium-sized and consists of a mixture of different platform computers. The network is split into multiple subnets located across a large geographical areA. IEEE 802.11g Wireless Access Points are found in more than half of the subnets. You receive reports that one of the subnets has experienced a lot ofdowntime. You are sent to the branch office with the network to conduct on-site troubleshooting. You soon notice that the downtime only affects wireless users and the downtime lastsapproximately an hour around midday every day. Which of the following would be an appropriate action to address this problem?

It is important for network technicians to know Internet connectivity well.
Which item below can help technicians to monitor the router to see whether it has failed or not?

The 802.11 frequency band is:

What command can display the relationship between a MAC address and the corresponding IP address?

In an enterprise environment, what is the objective of using a proxy server?