310 week 13

While investigating a network connectivity issue, a technician finds that the link light on a workstation is not lit, and there is no connectivity after replacing the patch cable both between the workstation and the wall jack and between the patch panel and the switch with cables that are known to be good. If the wall jack and patch panel ports are labeled correctly, which of the following tools would the technician MOST likely use next?

Cable tester

Which of the following types of internet connection services can allow you to be truly mobile while maintaining your internet connection?

Cellular

You have just connected a new computer to your network. The network uses static IP addressing. You find that the computer can communicate with hosts on the same subnet, but not with hosts on a different subnet. No other computers are having a problem. Which of the configuration values would you most likely need to change?

Default gateway

After several new computers are connected to a network device, every computer connected to the device begins to experience slow transfer speeds. Which of the following is the FIRST step in troubleshooting this problem?

Determine whether the network device is a hub or a switch.

Which of the following network technologies is packaged as part of a BRI plan?

ISDN

Which actions allow you to access the internet on your laptop via a cellular network?

Install a cellular USB adapter in a open port on the laptop.

To access the internet through the Publicly Switched Telephone Network (PSTN), what kind of connectivity device must you use?

Modem

Which of the following are features of Basic Rate ISDN (BRI)? (Select THREE.)

One control channel Dial-up connection Two data Channels

You are configuring an ADSL connection. Which of the following will be part of the configuration? (Select TWO.)

RJ11 connectors Filters or splitters

Match each utility on the left with its corresponding description on the right. Each utility may be used once, more than once, or not at all.

Resolves (looks up) the IP address of the specified hostname. nslookup Tests connectivity between devices and shows the routers in the path between the two devices. tracert Sends an ICMP echo request/reply packet to a remote host. ping Displays current connections and incoming and outgoing connections. netstat A few simple replies to this request from the remote host indicates that a connection exists between sender and receiver. ping Displays active sessions, ports, sockets, and the local routing table. netstat Performs a continuous connection test when used with the -t option. ping

What is name of the utility that is (1 similar to Telnet and (2 used to establish a secure remote server management session?

SSH

Which of the following tools allow remote server management? (Select TWO.)

SSH telnet

While investigating a network connectivity issue, a technician finds that the link light on a workstation is not lit, and there is no connectivity after replacing the patch cable with one that is known to be good. The wall jack is not labeled, and within the switch room, none of the cables or patch panel ports are labeled. Which of the following tools would the technician MOST likely use next?

Tone generator

ou need to view detailed IP configuration information on Windows workstation. In addition to the IP address, subnet mask, and default gateway configuration, you need to see the network card's MAC address and the addresses of the DHCP and DNS servers the workstation is communicating with. What command would you enter at the command line to see this detailed information? When you see the address of the DNS server, you realize that this information needs to be updated. Earlier in the day, you implemented a new DNS server with a new IP address. The workstation will update this information in 24 hours. What command can you enter at the command line to update the DNS server information right away?

ipconfig /all ipconfig /flushdns

You are troubleshooting connectivity between your computer and the www.widgets.com server, whose IP address is 192.168.1.1. Which of the following commands tests connectivity to the device as well as name resolution?

ping www.widgets.com

A user reports that he can't browse to a specific website on the internet. From his computer, you find that a ping test to the Web server succeeds. A traceroute test shows 17 hops to the destination web server. What is the most likely cause of the problem?

Incorrect DNS server address

You are installing a satellite connection so your home office can connect to the internet. Which of the following statements is true?

The satellite dish must be pointed in the correct direction for communicating with the satellite.

Which of the following utilities can you use from the command line on a Linux system to see a list of the installed network interfaces along with their current statuses and configurations?

ifconfig

You are troubleshooting network connectivity issues on a Windows workstation. Which command would you use to view the MAC address of the network adapter?

ipconfig /all

Examine the following output: Server: helicuplar.xct.takro.net Address: 209.53.4.130 Name: westsim.com Address: 64.78.193.84 Which command produced this output?

nslookup

An end user claims they are unable to connect to the internet and has called the company's help desk for a solution. Having been assigned to this issue, you decide to first test whether or not TCP/IP is working correctly on the local computer. Which of the following is the BEST command to use for this test?

ping 127.0.0.1

A group of workers attend a team-building retreat at a remote cabin. They can place calls on their mobile smartphones, but the cabin has no wired phone, television, or wired internet connectivity. The workers need to access an internet webpage using their laptop computers. Which of the following internet connection types might be available to the workers?

Cellular

Which type of network medium is used by an Integrated Services Digital Network (ISDN) adapter?

Copper telephone wire

A homeowner's connection to the internet is through an always-on modem that connects to existing telephone wiring and has a download speed of over 3 Mbps. The homeowner is able to make analog phone calls over the same wiring at the same time. Which of the following internet connection types is being used?

DSL

You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet using the default subnet mask. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address. . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask . . . . . . . : 255.255.255.0 Default Gateway. . . . . . . . . : 192.168.2.1 DNS Servers. . . . . . . . . . . : 192.168.2.20 Which of the following is the MOST likely cause of the problem?

Incorrect default gateway

You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet, which uses the default subnet mask. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address. . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask. . . . . . . . : 255.255.0.0 Default Gateway . . . . . . : 192.168.1.1 DNS Servers . . . . . . . : 192.168.1.20 192.168.1.27 Which of the following is the MOST likely cause of the problem?

Incorrect subnet mask

A SOHO's connection to the internet is through an antenna that sends and receives a microwave signal to the ISP's antenna. There can be no obstacles on the direct path between the two antennae. Which of the following internet connection types is being used?

Line-of-sight wireless

A healthcare organization provides mobile clinics throughout the world and needs to transfer patients' statistical data to a central database via the internet. Which network technology should you select to ensure network connectivity for any clinic located anywhere in the world, even remote areas?

Satellite

A laptop has a wired connection to the network and is configured with a static IP address. The link light on the NIC is lit, but the laptop can't communicate with any hosts on the local network. Which of the following is the MOST likely cause of the issue?

The IP address conflicts with another host on the local network.

A laptop has a wired connection to the network and is configured with a static IP address. The link light on the NIC is lit, but the laptop can't communicate with any hosts on the local network. Which of the following is the MOST likely cause of the issue?

The static IP address and subnet mask are configured with the wrong network address.

Which of the following are options for connecting a computing device, such as a notebook computer or a tablet, to a cellular network? (Select FOUR.)

Use an integrated cellular antennae to connect the device directly to the cellular network. Use a USB cellular antennae to connect the device directly to the cellular network. Use a USB cable to connect the device to the network through a smartphone. Use the device's Wi-Fi to connect to the network through a cellular Wi-Fi hot spot.

You are talking with a customer support technician on the telephone. The technician recommends downloading a particular driver from the internet. When you try to connect to the internet using your dial-up modem, you can't. What is the problem?

You need to hang up.

You are the computer specialist in a small business. Your company server is named FS1 and has an IP address of 10.0.0.2. The hardware in your company server started to experience intermittent failures, so you transferred the shares on the server to a spare server and took the main server offline. The spare server has an IP address of 10.0.0.3. You edit the existing A record for FS1 on your company's DNS server and redirect the hostname to the spare server's IP address of 10.0.0.3. Afterward, most users are able to access the shares on the spare server by hostname, but several users cannot. Instead, they see an error message indicating that the FS1 server could not be found. Enter the command you can run from the command prompt on these workstations that will allow them to access the shares on FS1 without performing a full restart.

ipconfig /flushdns

Which utility would you use to view current connections and active sessions and ports on a computer?

netstat

A user is having problems connecting to other computers using hostnames. Which of the following commands will BEST help you troubleshoot this problem?

nslookup

A user tells a help desk technician that their browser is displaying a message that a site can't be reached. When asked, the user tells the technician that other users in the same office can browse to the site. The technician suspects that the web server's name is not being translated to the correct IP address. The technician asks the user to open a command prompt window. Which of the following commands would confirm the technician's assumption? (Select TWO).

nslookup ping

You work in an office that uses Linux and Windows servers. The network uses the IP protocol. You are sitting at a Windows workstation. An application you are using is unable to connect to a Windows server named FileSrv2. Which of the following commands would work BEST to test network connectivity between your workstation and the server? (Select TWO).

ping tracert

You have had several employees call the help desk where you work, complaining that they are not able to reach the www.widgets.com server. To help troubleshoot this issue, you decide to run a variety of commands. Which of the following commands is MOST likely to return the IP address of the desired server? (Select THREE).

ping www.widgets.com tracert www.widgets.com nslookup www.widgets.com

You are an IT technician for your company and would like to be able to: Establish a remote server management session. Send unencrypted (clear text) transmissions to the remote server. Manage specialized industrial and scientific devices. Which of the following utilities would be the BEST to use to accomplish these tasks?

telnet

A technician located at a branch office can't communicate with a company server at the home office. Which of the following commands could be used to determine where the communication is blocked?

tracert

Examine the following output: 4 22 ms 21 ms 22 ms sttlwa01gr02.bb.ispxy.com [154.11.10.62] 5 39 ms 39 ms 65 ms plalca01gr00.bb.ispxy.com [154.11.12.11] 6 39 ms 39 ms 39 ms Rwest.plalca01gr00.bb.ispxy.com [154.11.3.14] 7 40 ms 39 ms 46 ms svl-core-03.inet.ispxy.net [205.171.205.29] 8 75 ms 117 ms 63 ms dia-core-01.inet.ispxy.net [205.171.142.1] Which command produced this output?

tracert

You are the network administrator of a branch office of your company. The branch office network is part of a WAN that covers most of the United States. Users have been complaining that they are unable to access resources over the WAN at the main headquarters. You suspect that one of the routers between your office and the main headquarters is not working properly. To troubleshoot the routers, which of the following TCP/IP utilities would be BEST to use?

tracert