Users are reporting problems connecting to servers in the remote company.com domain. The administrator suspects this to be a DNS problem. Which of the following commands would the administrator run to identify the DNS server of the remote company.com?

A technician wants to test the DNS server ns.company.com to ensure it is able to resolve the company web address. Which of the following command sequences will test DNS functionality?

Which of the following WAN technologies uses a telephone cable?

The ISP is working with a technician to troubleshoot PRI issues. Which of the following cables or adapters would the technician MOST likely use to help the ISP test their Smart jack?

A user is trying to connect their new desktop to the network but is unable to get an IP address. The technician tests the cable and finds that there are too many open pairs. Which of the following wiring standards needs to be used in the replacement cable?

According to the OSI model, which of the following layers is responsible for providing reliable communication?

A technician receives a call on monday morning that several computers will not connect to the network. The technician determines that the computers left on over the weekend are functional and those that were turned off over the weekend are not functioning. Which of the following is the MOST likely source of the problem?

A remote user cannot connect to the office via VPN. The user has established Internet connectivity. Which of the following is the MOST likely next step in troubleshooting?

Which of the following routing protocols uses AS-Path as one of the methods to build the routing table?

There are two networks sharing the same office space. One network already has an 802.11g access point. The second network acquires one as well. If known, which of the following would help keep the two networks from interfering with each other?