Week 4 A+

A user has purchased an external speaker to play music from a mobile device over a wireless connection. Which of the following actions is most likely needed for speaker connectivity?

Enable pairing

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

ISDN

Which of the following protocols carry phone calls over an IP-based network?

VoIP

Which of the following are not valid IP addresses? (Select THREE.)

-145.8.260.7 -257.0.122.55 -45.22.156.256

Which of the following are valid IP addresses? (Select two.)

-2.2.2.2 -172.16.1.26

Which of the following are characteristics of Bluetooth? (Select TWO.)

-2.4 Ghz radio wireless -Ad hoc connections

An administrator configures a server to run the TCP/IP suite protocol that allows users to download files contained in specific directories on the server and also protects access to those files by requiring user authentication. Which of the following TCP/IP port numbers allow this protocol to work properly? (Select TWO).

-20 -21

Match each port number on the left with its associated protocols on the right. -Secure Shell (SSH) -Apple Filing Protocol (AFP) -HTTP over SSL (HTTPS) -Hypertext Transfer Protocol (HTTP) -Server Message Block (SM B/CIFS) directly over TCP -Service Location Protocol (SLP) -Internet Message Access Protocol (IMAP)

-22 -548 -443 -80 -445 -427 -143

Which of the following are valid IPv6 addresses? (Select TWO.)

-6384:1319:7700:7631:446A:5511:8940:2552 -141:0:0:0:15:0:0:1

Which IEEE wireless standards specify transmission speeds up to 54 Mbps? (select two)

-802.11a -802.11g

A windows workstation is configured to receive its IP configuration information from a DHCP server on the company network. The user at the workstation reports that she cannot use email and is unable to reach the internet. Using the ipconfig command, you see that the workstation has been assigned the following special IP configuration. -IP Address: 169.254.0.1 -Subnet mask: 255.255.0.0 What is this special IP configuration called? Why did the workstation receive this type of configuration?

-Automatic private IP addressing (APIPA) -The workstation was unable to contact the DHCP server

A portable computer connected to a printer with an infrared interface works fine inside your office. However, when you go outside, it works sporadically. Which of the following would best resolve this issue? (Select TWO).

-Block direct and reflected sunlight from the pathway between the PC and the printer -Move the printer closer to the computer

Drag the wireless networking technology on the left to its associated transmission distance limitation on the right. Each technology can be used more than once. -Up to 100 meters for Class 1 devices -Up to 30 meters in areas without interference -Up to 10 meters for Class 2 devices

-Bluetooth -Infrared -Bluetooth

A technician is configuring the static TCP/IP settings on a client computer. Which of the following configurations are needed for internet communications?

-DNS server address -IP address including a subnet mask (IPv4) or subnet prefix length (IPv6) -Default gateway address

Which of the following are atenna types that are commonly used in wireless networks? (Select two).

-Directional antenna -Omnidirectional antenna

Which of the following describes an IPv6 address? (Select two.)

-Eight hexadecimal quartets -128-bit address

The following is an example of an IPv6 address: -Which part of the example IPv6 address is the prefix? -Which quartet in the example IPv6 prefix is used to identify the subnet? -Which part of the example IPv6 address is the interface ID?

-FEC0:1319:7700:F631 -F631 -446A:5511:CC40:25AB

Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (Select TWO.)

-Greater cable distances without a repeater -Immunity to electromagnetic interference

Which of the following correctly describe the most common format for expressing IPv6 addresses? (Select two.)

-Hexadecimal numbers -32 numbers, grouped using colons

Which of the following statements about the dynamic host configuration protocol (DHCP) are true? (SELECT TWO.)

-It can deliver a DNS address in addition to the host address. -A workstation must request addressing information from a DHCP server.

Which of the following statements accurately describes how a modem works? (Select two.)

-It demodulates analog data from a telephone network into digital PC data. -It modulates digital data from the PC into analog data and transmits it on a telephone network.

Which of the following are characteristics of coaxial network cable? (Select TWO.)

-It has a conductor made from copper in the center of the cable -It uses two concentric metallic conductors.

-A network in a small geographic are that typically uses wires to connect systems together. -A small network used for connecting devices, such as a notebook computer, a wireless headset, a wireless printer, and a smartphone. -A network that is typically owned and manged by a city as a public utility. -A group of networks that are geograhically isolated, but are connected to form a large internetwork. -Similar to a standard LAN, but uses radio signals instead of wires to connect systems together. -A network that covers an area as small as a few city blocks to as large as an entire city. -A set of subnets connected to each ohter, typically by wires, using at least one router.

-Local Area Network (LAN) -Personal Area Network (PAN) -Metropolitan Area Network (MAN) -Wide Area Network (WAN) -Wireless Local Area Network (WLAN) -Metropolitan Area Network (MAN) -Local Area Network (LAN)

The 802.11ac wireless networking standard provides increased bandwidth and communication speeds by using which of the following technologies? (Select TWO).

-MU-MIMO to allow multiple users to use the same channel. -Channel bonding to combine more channels in the 5 Ghz band to allow for up to 160-MHz channels.

-Data transfers through the core using more than one light rays. -The core diameter is around 10 microns. -Cable lengths can extend a great distance. -Cable lengths are limited in distance.

-Multimode -Single mode -Single mode -Multimode

Which of the following locations will contribute the greatest amount of interference for a wireless access point? (Select TWO.)

-Near backup generators -Near cordless phones

Which of the following are features of basic rate ISDN (BRI)? (Select three.)

-One control channel -Dial-up connection -Two data channels

Which of the following are characteristics of the 802.11g wireless standard?

-Operates in the 2.4 ghz range -Backwards compatible with 802.11b devices -Maximum bandwidth of 54 mbps

A user is configuring an email client application and plans to use a standard TCP/IP suite protocol to retrieve email messages from an email server. Which of the following TCP/IP suite protocols can be used to retrieve email messages? (Select two).

-Post office protocol (POP3) -Internet Message Access Protocol (IMAP)

What are two major concerns regarding IoT devices? (Select TWO.)

-Privacy -Hacking

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

-RJ11 connectors -Filters or splitters

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

-SSH -Telnet

-Connects segments on the same subnet. Forwards signals to only the port connected to the destination device. -Can be used to connect wireless clients to wired clients on the same network. -Connects two network segments that have different subnet addresses. -Connects segments on the same subnet. Repeats signals out to all other ports. -Operates in full-duplex mode, meaning devices can both send and receive data at the same time. -Operates in half-duplex mode, meaning devices can either send or receive data at any given time. -Use the IP address within a packet to move packets between networks.

-Switch -Bridge -Router -Hub -Switch -Hub -Router

Which of the following identifies the prefix component of an IPv6 address? (Select two.)

-The first four quartets of an IPv6 address. -The first 64 bits of an IPv6 address/

Which of the following identifies the interface ID component of an IPv6 address? (Select two.)

-The last 64 bits of an IPv6 address. -The last four quartets of an IPv6 address.

Which of the following is true of a network using the 1000Base-T standard? (Select TWO.)

-The network operates at one gigabit per second. -The network uses copper UTP cables.

Match each smart device with its description. -Learns from your habits and schedule, allows you to control the climate in your home remotely, shows you energy consumption in real-time, and adjusts itself depending on ambient conditions. -Can change colors, track motion, stream audio over blue-tooth, and double as a connected camera, but its only smart when turned on. It doesn't work when turned off. -Allows you to control hardwired lights, ceiling fans, fireplaces, small appliances, and garbage disposals. -Easy solution for making small appliances, such as lamps, coffee makers, and toasters, smart. -Uses a wireless protocol and a cryptographic key to execute the authorization process. It can also monitor access and send alerts related to the status of the device. -Uses an RF transmitter. May include such features as motion detection, scheduled recording, remote viewing, and automatic cloud storage. -Uses voice recognition software and activates through a wake word or hot word.

-Thermostat -Bulb -Switch -Plug -Door lock -Speaker/digital assistant

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 a USB cable to connect the device to the network through a smartphone. -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 the device's wi-fi to connect to the network through a cellular wi-fi spot.

What are the two protocols used most often with IoT devices? (Select TWO.)

-Z-Wave -Zigbee

You are the IT technician for your company. Which of the following mechanisms would best allow you to resolve a hostname into its associated IP address?

-hosts file -DNS

You 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 know 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

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 technicians assumption? (Select TWO).

-nslookup -ping

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

-nslookup -tracert -ping -netstat -ping -netstat -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 and an application you are using is unable to connect to a Windows server named FileSvr2. Which commands can you use to test network connectivity between your workstation and the server? (select two)

-tracert -ping

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 owner?

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

What is the maximum range of the Bluetooth 2.0 specification for class 1 devices?

100 M

Your network follows the 1000Base-T specifications for Gigabit Ethernet. What is the maximum cable segment length allowed?

100 Meters

Which type of fiber optic cable supports 10 gigabit ethernet with a maximum segment length of up to 40 km?

10GBaseER single-mode

Which data transmission rate is defined by the IEEE 802.11b wireless standard?

11 Mbps

Which of the following IP address ranges is reserved for Automatic private IP addressing?

169.254.0.1 - 169.254.255.254

Given that your Windows workstation has Automatic Private IP Addressing (APIPA) implemented using default settings, which of the following TCP/IP addresses could be automatically assigned to the system should your DHCP server go down or become inaccessible?

169.254.1.26

Which frequencies does Zigbee operate on?

2.4 Ghz, 900 MHz, and 868 MHz

What is the maximum number of nodes Z-Wave allows on its mesh network?

232

Which of the following is the maximum transmission speed for Bluetooth v3 and v4 devices?

24 Mbps

To assist a user, a help desk technician is able to take advantage of a windows proprietary network protocol that allows the technician to open a graphical interface to connect with the users windows computer. Which of the following TCP/IP port numbers is the default port used by this protocol?

3389

While working on a windows workstation, you've enabled windows remote desktop. Which of the following ports must be opened in the server's firewall to allow remote clients to access the desktop?

3389

While making an online bank transaction, a customer checks in to see that the web browser is displaying a lock icon that indicates that an encrypted TCP/IP suite protocol is being used. Which of the following TCP/IP port numbers does this protocol typically use when the browser encrypts its communications with the banks web server?

443

You've just installed the DNS service on a Windows server. Which port must be opened in the server's firewall to allow clients to access the service?

53

Which wireless standard can stream data at a rate of up to 54 Mbps using a frequency of 5 Ghz?

802.11a

A customer is experiencing a sporadic interruption of their wi-fi network in one area of their building. A technician investigates and discovers signal interference caused by a microwave oven. THe computer approves replacing the wireless access point that covers the area, but asks that the wireless speed also be increased. Which of the following WI-fi standards should the replacement device support to best fulfill the customers needs?

802.11ac

Which of the following wireless networking standards uses a frequency of 5 Ghz and supports transmission speeds up to 1.3 Gbps?

802.11ac

You are designing a wireless network for a client. Your client needs the network to support a data rate of at least 150 Mbps. In addition, the client already has a wireless telephone system installed that operates 2.4 GHz. Which 802.11 standard will work best in this situation?

802.11n

You have been contacted by OsCorp to recommended a wireless internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 Ghz, and provide the highest possible transmission speeds. Which of the following solutions would you recommenced?

802.11n

Which of the following is the best definition of a LAN?

A network in a small geographic area, like in an office.

A technician is tasked with preparing a conference room so that at least 20 guests will be able to wirelessly connect laptop computers to the company network. Which of the following network devices would be the best choice for this connectivity?

Access point

Which type of configuration would you use if you wanted to deploy 802.11n technology to communicate directly between two computers using a wireless connection?

Ad hoc

You have a computer with an onboard LAN adapter. The LAN adapter has failed and you are unable to connect the computer to the network. What should you do?

Add a network card using a PCI slot

Portable devices have a software-controlled switch that disables all wireless functionality. What is the name of this software controlled switch?

Airplane mode

You have a user who takes his laptop home every day after work. When he's working in the office, the laptop must get an IP address from the DHCP server so you configure it to obtain IP and DNS information automatically. When he's working from home, the laptop must use IP and DNS information that connects with his home network. Which IP addressing method can you use to make sure he gets a network connection at home?

Alternate IP configuration

You need a type of wireless connection that can transfer data between your phone, PDA, and laptop. You are transferring sensitive information. Which would be the best choice?

Bluetooth

You want to use a wireless keyboard and mouse with your laptop computer. Which method should you choose?

Bluetooth

Which of the following is a valid MAC address?

C0-34-FF-15-01-8E

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. 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

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

Cellular

A SOHO customer finds that their VoIP conversations frequently break up and become unintelligible. This happens most often when one person in the office streams video from the internet. Which of the following configuration changes on the SOHO router is most likely to improve VoIP performance?

Change QoS settings to give VoIP traffic more priority.

A technician is installing a new SOHO wireless router. Which of the following is the FIRST thing the technician should do to secure the router?

Change the router's default password.

A technician receives notification from a SOHO router manufacturer of a specific vulnerability that allows attackers to exploit SNMP traps to take over the router. The technician verifies the settings outlined in the notification. Which of the following actions should the technician take next?

Check for and apply firmware updates.

A technician is replacing a cable modem. The cable from the cable company has an inner solid wire conductor and an outer mesh conductor separated by PVC plastic insulation. Which of the following network cable types is being used?

Coaxial cable

One of your customers wants to configure a small network in his home. The home has three floors, and there are computers on each floor. This customer needs to share files between computers, print to a centrally located printer, and have access to the internet. Which of the following print solutions would best meet this client's needs?

Configure a Wi-fi infrastructure network.

Nate, an employee in your organization, has started to work from home two days a week. Nate uses the same company laptop while working in the office and working at home. Nate's laptop automatically connects to the wireless network in the office, but does not automatically connect to his home wireless network. Nate would like the laptop to connect automatically at home and at work. Which of the following would best allows this to happen?

Configure an alternate TCP/IP configuration on the laptop's wireless adapter to use a static IP address that is compatible with the home network.

A technician is replacing a SOHO router and has configured DHCP to assign private IP addresses to hosts on the local network. These hosts can communicate with each other, but users can't browse the internet. Which of the following changes to the SOHO router is most likely to restore internet connectivity?

Configure the SOHO router for NAT.

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

Copper telephone wire

While sorting through a box of cables in your storage room, you find one that matches the configuration shown in the image. Which of the following BEST describes the type of cable configuration and the purpose for which it would be used?

Crossover cable configuration used to connect computers directly to one another for networking

As the IT technician for your company, you need to ensure that IP addresses are automatically assigned to hosts while at the same time preventing the same address from being assigned twice. Which of the following services would be the BEST to use?

DHCP

Currently, the users in your company are required to use their IP addresses when connecting to other hosts. Since IP addresses are difficult to remember, you want to implement a protocol on your network that allows computers to automatically find another host's IP address using a logical name. Which of the following protocols would be the best to implement?

DNS

You want to implement name resolution on the Linux workstations in your company. Which protocol will you use to do this?

DNS

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

Which of the following is not an example of wireless networking technologies?

DSL

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

Which TCP/IP configuration parameter identifies the router that is used to reach hosts on remote networks?

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

You are troubleshooting a client connectivity problem on an Ethernet network. The client system has intermittent connectivity to the network. You discover that the UTP patch cable is run 75 feet from the wall outlet, passes through the ceiling and over several florescent light fixtures before reaching the client system. Which of the following is the most likely cause of the connectivity problem?

EMI interference

A technician is installing a new SOHO wireless router in a home office. The customer wants to secure the wireless network so only a smartphone, tablet, and laptop can connect. Which of the following router settings should the technician change?

Enable MAC filtering

A technician is installing a SOHO router at an after-school community center. The customer would like to keep children from accessing inappropriate while browsing the web/ Which of the following actions would help accomplish this goal?

Enable content filtering

Which of the following is a wired networking method most commonly used today by desktop PC's and other network devices to connect to a local area network?

Ethernet

Which of the following devices allows network communications to be transmitted over existing AC power lines?

Ethernet over power

You want to allow your users to download files from a server running the IP protocol. You want to protect access to the files by requiring user authentication to access specific directories on the server. Which IP protocol should you implement to provide this capability?

FTP

Which of the following is a valid IPv6 address?

FEC0::AB:9007

You have just signed up for a broadband home Internet service that uses coaxial cable. Which connector type will you most likely use?

F-Type

What is a major benefit STP provides that UTP does not?

Greater resistance to interference

You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. You need to use the T568A standard to connect the individual wires to the connector. Which wire should be connected to pin 1?

Green with white

Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?

Hub

Which of the following protocols is used by an email client to retrieve messages from an email server and gives users the option to keep mail messages on the server?

IMAP

You want your windows workstation to browse the websites on the internet. You use a broadband DSL connection to access the internet. Which network protocol must be installed on your workstation to do this?

IP

A technician must press a cable connector's retaining tab to remove a faulty fiber optic network cable. Which of the following connectors does the cable use?

LC

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 manage a network that has multiple internet subnets. You connect a workstation to the 192.168.1.0 subnet using the default subnet mask.

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.

Incorrect subnet mask

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

You have been asked to help a small office with a limited budget set up and configure a windows network. There are only five computers in this office. In addition to the ability to share network resources, security is a top priority. Which of the following is the BEST course of action in this situation?

Install a workgroup to allow each device to control what is shared and with whom.

You are setting up a small network in your office with one Windows server and 50 Windows workstation. You want to spend as little time as possible configuring the workstations with IP addressing information. What should you do?

Install and configure the DHCP service on your server

A user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer. She can access the network from her usual office, but today, she is trying to access the wireless network from a conference room, which is across the hall and next to the elevator. Which of the following is the most likely cause of her connectivity problems?

Interference is affecting the wireless signal

Which of the following best describes how a switch functions?

It connects multiple cable segments or devices and forwards frames to the appropriate segment.

A SOHO's connection to the internet is through an antenna that sends and recieves 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-site wireless

You are an IT technician for your company. Your boss has asked you to set up and configure a wireless network to service all of the conference rooms. Which of the following features lets you allow or reject client connections by hardware address?

MAC address filtering

You have been asked to implement a network infrastructure that will accommodate failed connections. Which of the following network topolgies provides redundancy for a failed link?

Mesh

You have implemented an ad-hoc wireless network that doesn't employ a wireless access point. Every wireless network card can communicate directly with any other wireless network card on the network. What type of physical network topology has been implemented in this type of network?

Mesh

You have a network that uses a logical bus topology. How do messages travel through the network?

Messages are broadcast to all devices connected to the network

You have a network that uses a logical ring topology. How do messages travel through the network?

Messages travel from one device to the next until they reach the destination device.

A customer is upgrading the routers and switches in their network. The signal source in these network devices is a light-emitting diode. Which of the following network cabling options is most likely being used in this upgrade.

Multimode fiber

A medical center wants to upgrade their network backbone to 10-gigabit Ethernet (10 Gbps) so they can perform daily backups of large amounts of data to the secure on-site storage area network (SAN) without bogging down the network. Some of the backbone segments will have to reach between buildings that are close to 300 meters apart. Which of the following cable types best supports the 10-gigabit Ethernet at the necessary segments lengths while keeping costs as low as possible?

Multimode fiber optic

A user pays for a retail purchase by placing a smart phone next to the merchant's reader. Which of the following mobile device connections is being used?

NFC

Which of the following wireless communication techniques can be described as follows? -Has a very limited transmission range of less than two miles -Used with credit cards and passports -Slower than other wireless technologies -Constantly emits a signal.

NFC

Which network component connects a device to the transmission media and allows it to send and receive messages?

Network interface card

A technician connects two network switches using a twisted pair cable. Neither switch supports auto-uplinking. Which of the following identifies the TIA wiring standard required on each end of the cable?

One end must be T568A, and the other must be T568B

Which of the following terms refers to a network resource sharing model that uses access control lists saved on each computer?

Peer-to-peer

A group of workers in an office space communicate with each other on their smartphones and tablet devices through an ad hoc network linked using Bluetooth technology protocols. Which of the following network types is in use?

Personal Area Network (PAN)

You are installing network cable in the space between the ceiling and the roof of a building. Which type of cabling should you use?

Plenum

A technician is running a network above a dropped ceiling that is also used for ventilation. The cable must be twisted pair and must be capable of gigabit Ethernet speeds. Which of the following cables should be used?

Plenum-rated CAT-6a

A technician is installing a network-enabled smart home control system in a SOHO. To access the system from the internet, which of the following configurations is most likely required on the SOHO router?

Port forwarding

Which of the following devices can be used to distribute electrical power along with network data on twisted-pair Ethernet cabling (CAT 5 or higher)?

Power over Ethernet

A technician is installing a cable modem that supplies internet connectivity for a home office. Which of the following cabling types would be used to connect

RG6

Which kind of connector do you use to connect a modem to a standard telephone line?

RJ11

Which connector is used with unshielded twisted pair (UTP) cable?

RJ45

You have recently been called to troubleshoot network connectivity problems at a user's workstation. You have found that the network cable runs across high-traffic areas on the floor, causing the cable to wear through and break. You have replaced cable with a plenum rated, shielded, twisted pair. You would like to minimize the problem and prevent it from happening again. What should you do?

Run the cable through the ceiling area instead of across the floor.

Which protocol is used to send email messages from a mail client to a mail server?

SMTP

What is the 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 is used on a wireless network to identify the network name?

SSID

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

An 8-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switch do?

Send the frame out ports 2-8.

Which of the following topoglies connects each network device to a central hub?

Star

While setting up a home office, a technician disables the DHCP service on the office router, but does not want to rely on link-local addressing. Which of the following IP addressing methods should be used?

Static

A host on your network that provides a service that requires the server to always use the same IP address. Which IP addressing method can you use to manually assign the specific IP address?

Static IP addressing

A technician determines that an older network hub that connects 24 workstations is performing poorly due to excessive network collisions. Which of the following network devices would be the best replacement?

Switch

What device is used to create a physical star topology?

Switch

Which of the following LAN devices receives a signal on one port and forwards that signal only to the port where the destination device is connected?

Switch

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 accomplish these tasks?

Telnet

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 latop 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 user on your network has been moved to another office down the hall. after the move, she calls you complaining that she has only occasional network access through her wireless connection. Which of the following is most likely the cause of the problem?

The client system has moved too far away from the access point.

Which of the following describes the part of the IPv6 address that identifies the subnet address?

The last quartet in the IPv6 address prefix.

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.

A laptop has a weird 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

A user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer. While talking to her, you discover that she is trying to work from the break room two floors above the floor where she normally works. Which of the following is the most likely cause of her connectivity problems?

The user is out of the effective range of the wireless access point on her floor

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

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 acccess 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

You are a software developer and you are creating a multimedia streaming application. Data will be streamed from your streaming server to streaming clients over IP networks. Which transport protocol should your application use to send data between the clients and the server?

UDP

You are the network technician for a small company. One of your responsibilities is to ensure that all new hardware is connected and functioning properly. You have several different types of connections that are used for various types of hardware. One of the types of cable available to you is an RJ45 cable. Which of the following best describes where this cable would most likely be used?

Voice over IP connection

While configuring a wireless access point device, a technician is presented with several security mode options. Which of the following options will provide the most secure access?

WPA2 and AES

How do switches and bridges learn where devices are located on a network?

When a frame enters a port, the source MAC address is copied from the frame header.

Which of the following is true when the DHCP setting is disabled in a wireless network?

Wireless clients must use a static IP address within the correct IP address range to connect to the network.

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

You need to hang up.

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

netstat

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

ifconfig

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

ipconfig /all

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 has started to experience intermittent failure, 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 10.0.03. 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 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

To access the internet through the publicly switched telephone network (PSTN), what kind of connectivity device must you use?

modem

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

nslookup

Examine the following output: Server: helicuplar.xct.takro.net What command produced this output?

nslookup

An end user clams 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

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 command tests connectivity to the device as well as name resolution?

ping www.widgets.com

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 sttlawa01gr02.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.placa01gr00.bb.ispxy.com [154.11.3.14] 7 40 ms 39 ms 46 ms svl-core-03.inet.ispoxy.net [205.171.206.29] 8 75 ms 117 ms 63 ms dia-core-01.inet.ispxy.net [205.151.142.1] Which of the following produced this output?

tracert