Chapter 8: Quiz 8

Which of the following are valid IPv4 private IP addresses? (Select TWO.)

10.20.30.40 1.2.3.4 192.168.256.12 172.29.29.254 1::9034:12:1:1:0 FEC2::AHBC:1908:0

What version of Ethernet utilizes a fiber-optic cable and has a transmission speed of 100 Mbps?

100BaseTX 100BaseFX 1000BaseFX 100BaseCX

What two standards have been established for wiring twisted-pair cabling and RJ-45 connectors?

T568A T568B TIA/EIA 586 T568C

Phone cords are a type of twisted-pair cable and use an RJ-45 connector

False

Phone cords are a type of twisted-pair cable and use an RJ-45 connector.

False

Which of the following is a function of an endpoint management server appliance?

Filtering the web content delivered to users on the local area network. Scanning incoming and outgoing corporate email for spam, malware, and viruses. Restricting a device's access to the network until security requirements are met. Providing authentication services for all network-connected devices.

identifies a computer and the network to which it belongs, such as www.cengage.com

Fully Qualified Domain Name (FQDN)

A technician wants to consolidate and log specific alerts from network devices into a database so maintenance tasks and potential device problems can be addressed in a timely manner.Which of the following should the technician implement?

IDS appliance Syslog server IPS appliance UTM appliance

What two protocols are used to deliver mail messages?

POP3 SNMP SMTP IMAP4

What TCP port is utilized by an SSH server listening for connections?

20 21 22 23

The Remote Desktop and Remote Assistance applications utilize what port for remote access?

22 23 110 3389

You're setting up a secure email server on your local network that you want clients to be able to access from the Internet using IMAP4 and SMTP. Which ports should you open in your firewall?

25 and 143 587 and 993 80 and 443 25 and 110

Examine the exhibit above.Which network tool most likely produced the output?

Loopback plug Tone generator Tone probe Network multimeter Cable tester

Used by a computer or other device to determine if an IP address of another computer is on its network or another network

Subnet mask

Which of the following describes an IPv6 link -local address assigned to a node on a network?

An address used to deliver messages to all participating nodes in a multicast group with prefixes that begin with FF00::/8. A private unicast address assigned by a DHCPv6 server used to communicate with neighboring nodes across subnets. A global address that is routable on the public Internet and assigned by an Internet service provider. A private unicast address used for limited communication with neighboring nodes in the same link

You require a protocol in order for your Windows network hosts to have access to shared files and folders.Which of the following protocols will provide the necessary file services? (Select TWO.)

CIFS SNMP SMTP SLP RDP SMB

Which of the following tools can be used to determine if a network cable is good? Choose all that apply.

Cable tester Crimper Loopback plug Network multimeter

A company requires an Ethernet connection from the north end of its office building to the south end. The distance between connections is 161 meters and will need to provide speeds of up to 10 Gbps in full duplex mode.Which of the following cable combinations will meet these requirements?

Coaxial cable with BNC connectors Cat6 STP cable with RJ-45 connectors Multimode fiber cable with MT-RJ connectors Cat5e UTP cable with RJ-45 connectors

While investigating an email issue, a support technician discovers no users can access their email accounts on the company's email server connected to the private LAN. Pinging the email server from several workstations on the LAN results in 0% packet loss.Which of the following is the next step the technician should take in troubleshooting this issue?

Contact the ISP, inform the provider of the issue, and ask the provider to check the server. Verify the server has a valid assigned IP address on the LAN subnet. Escalate the problem to a server administrator to check for issues with the server. Check the workstations on the LAN for APIPA configuration.

A technician is installing UTP cable and needs to terminate the connections on the patch panel shown in the following image.

Crimper tool Punchdown tool Cable stripper Network multimeter

assigns an IP address to a computer when it first attempts to initiate a connection to the network

DHCP server

A network host with an IP address of 192.168.10.200 wants to send a message to a destination computer with an assigned IP address of 192.168.10.100.Which of the following will the sending host use to determine whether the destination computer is on its own network or another network?

DHCP server Default gateway address Subnet mask DNS server

A server provides the necessary IP configuration to your network host so the host can communicate on the network. If this service malfunctions, your device will not be able to utilize the network.What server provides this service?

DHCP server DNS server Proxy server Syslog serv

A server provides the services to take you to the correct website domain when you type cengage.com in your web browser. If this service were not functioning, you would have to remember the IP address for cengage.com.What server performs this service?

DHCP server Proxy server Web server DNS server

What methods are used to assign TCP/IP parameters to network hosts? (Select TWO.)

DNS Dynamic Static Default gateway Subnet mask

Which of the following indicates the most concise abbreviation of the IPv6 address FEFE:0000:0000:0000:0002:0000:0000:0001?

FEFE::2::1 FEFE::0002:0000:0000:0001 FEFE::2:0:0:1 FEFE:0:0:0:2:0:0:1 ::1

You are tasked with securing a small network for a client in which the following requirements must be met:• If a user on the private network attempts to send confidential company information to an unauthorized entity, an alert should be triggered.• The private trusted network should not be accessible from the public untrusted network.• If attacks are coming from the external network, the system should detect and prevent malicious activity.• All incoming and outgoing email should be scanned for malware.Which of the following would best meet the requirements of the client?

Implement a firewall with packet inspection. Implement an intrusion detection system appliance. Implement an endpoint management server appliance. Implement an intrusion prevention system.

Your company is experiencing an increase in malware incidents. Your manager is asking for advice on how best to verify that company-owned workstations are up-to-date with security patches, anti-malware requirements, and software application updates. The manager is also concerned that employee-owned devices connecting to the corporate LAN have the same level of security as the company devices.Which of the following protections and services should you recommend?

Implement a firewall with packet inspection. Implement an intrusion detection system appliance. Implement an endpoint management server appliance. Implement an intrusion prevention system.

Examine the exhibit above. "Device A" is an 8-port layer 2 managed switch and "Device C" is a 4-port hub.Which of the following describes "Device B," assuming all workstations can communicate with each under normal circumstances?

Layer 2 switch Router Bridge Repeater

a protocol used by various client applications when the application needs to query a database

Lightweight Directory Access Protocol (LDAP)

a technique designed to conserve the number of public IP addresses needed by a network

Network Address Translation (NAT)

Consider the following configuration. Computer "A" IP address: 172.16.100.100 Subnet mask: 255.255.0.0 Computer "B" IP address: 172.16.200.200 Subnet mask: /16 What should be done to allow these computers to send and receive data to and from each other?

Nothing needs to be changed. Delete the subnet mask from each computer. A router must be configured and placed between the two computers. Remove the hub between the two computers and replace it with a switch

Consider the following configuration. Computer "A"IP address: 172.16.100.100Subnet mask: 255.255.0.0 Computer "B"IP address: 172.16.200.200Subnet mask: /16What should be done to allow these computers to send and receive data to and from each other?

Nothing needs to be changed. Delete the subnet mask from each computer. A router must be configured and placed between the two computers. Remove the hub between the two computers and replace it with a switch.

You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. Your company requires that all cabling follow the TIA/EIA 568B standard.Which wire color code will you use starting with pin 1 of the modular plug

Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown Orange/white, orange, green/white, green, blue/white, blue, brown/white, brown Green/white, green, orange/white, orange, blue/white, blue, brown/white, brown

You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. Your company requires that all cabling follow the TIA/EIA 568B standard.Which wire color code will you use starting with pin 1 of the modular plug?

Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown Orange/white, orange, green/white, green, blue/white, blue, brown/white, brown Green/white, green, orange/white, orange, blue/white, blue, brown/white, brown

Your company received a call from a historical society inquiring about the possibility of networking a two-century-old building with no existing network. In 1924, someone added electrical outlets to the building, but the layout and design of the building prohibits adding any additional copper or fiber cable. You completed a wireless site survey and concluded that wireless networking is out of the question and will not properly function due to environmental interference.Which of the following could be used to network this building?

PoE EoP WAP NIC NAT

A server or service is responsible for sending the contents of cengage.com to your browser when you type cengage.com into the location bar. If this service is malfunctioning, your browser will display a page not found error.What server provides this service?

Print server File server DNS server Web server Authentication server

Which of the following are secure protocols, ports, services, or applications? (Select TWO.)

SLP Port 443 SMTP SSH Ports 161/162

commonly used by Linux to pass sign-in information to a remote computer and control that computer over a network

Secure Shell (SSH)

The accounting department moved its network-attached printer from one side of the office to a more centralized location, making the printer much more accessible to all accounting users. Since the move, the users have not been able to print to the printer. The printer powers on and shows it is ready to accept print jobs. The printer configuration page shows the following output. You disconnect the patch cable from the keystone jack at the new location and move the printer and cable to reconnect it at the original location. The printer begins printing the jobs that failed to print earlier.Which of the following are the most likely reasons for the printer failing to print at the new location? (Select TWO.)

The DHCP server is down or has a problem with the DHCP service. The cable run connecting the new keystone jack to the patch panel is bad. The printer needs to have static IP configuration parameters assigned. The printer does not have a valid default gateway assigned. The patch panel connector for the new location's cable run is not connected to a switch. The printer's integrated network interface controller is faulty.

A new Cat6 cable run and keystone jack were installed for a workstation that was moved from the sales department to the shipping department. Since the move, the user has been complaining of slow transfer speeds on both Internet and local network communications. The technician ran a test and is viewing the following output on the tester. Which of the following is the most likely reason for the sluggish network speeds?

The cable run exceeds the specifications for Ethernet over twisted pair. The NIC in the workstation is statically set to 10 Mbps/Half-duplex. The network switch port is statically set to 10 Mbps/Half-duplex. The ISP is experiencing issues with its service to this customer.

You received a call from a user who brought her own device to the office but cannot find or connect to the company WLAN. The laptop shows other available wireless networks in the building. This user and the other users in her department are connected to the company WLAN and can browse to multiple websites with no problems from their company-assigned laptops.Which of the following is the most likely reason the user cannot find the company WLAN from her own device?

The company WAP has its radio turned off. The company WAP is powered down or disconnected. The laptop's wireless network is toggled to the off position. The company WAP has SSID broadcast disabled. The user's laptop NIC has MAC address filtering enabled.

Your SOHO router has failed and you have installed a new router. The old router's static IP address on the network is 192.168.0.1. The new router has a static IP address of 10.0.0.1. You go to a computer to configure the new router and enter 10.0.0.1 in the browser address box. The router does not respond. You open a command prompt window and try to ping the router, which does not work. Next, you verify that the router has connectivity and you see that its local connection light is blinking, indicating connectivity. What is the most likely problem and its best solution?

The computer you are using to configure the router has a corrupted TCP/IP configuration. Restart the computer. The router is defective. Return it for a full refund. The computer and the router are not in the same subnet. Release and renew the IP address of the computer. The computer and the router are not in the same subnet. Change the subnet mask assigned to the computer.

You replaced the LCD panel in a laptop computer and verified full system functionality, including wireless connectivity. The customer picked up the laptop and now reports he can no longer access his wireless network regardless of how close the computer is positioned to the WAP. Other users can connect to the WAP without any problem.Which of the following is the most likely reason for this problem?

The laptop wireless profile is still assigned to your office WLAN. The user's WAP is powered off and needs to be turned on. All wireless network profiles were deleted when the LCD was replaced. The laptop's wireless radio is toggled to the off position. The antenna wires were not reconnected after the LCD replacement.

A Windows user has been successfully saving documents to the file server all morning. However, the latest attempt resulted in the following message, "Could not find this item. Verify the location of '\\FileServer\Docs' and try again."Which of the following is the most likely cause for this message?

The user signed out of directory services. The user's PC is out of local hard disk space. The file server could not contact directory services. The share to the file server is disconnected

A technician has been dispatched to a client's office to diagnose wireless network issues and suspects that channel overlap may be the problem.Which of the following tools will the technician use to help in determining whether her suspicions are correct?

Toner probe Cable tester Loopback plug Wi-Fi analyzer

FTP requires confirmation that a file was successfully transmitted to a client, but it has no built-in mechanism to track this information for itself. What protocol does FTP rely on at the Transport layer of the TCP/IP model to ensure delivery is complete?

UDP HTTP SSH TCP

A technician is troubleshooting a small network with cable Internet service in which a user is receiving a message in her web browser stating a site cannot be found. While interviewing users, it is determined that every host on the network is experiencing the same issue with all websites.Which of the following is the first step in troubleshooting this issue?

Use a cable tester to test the patch cable for the first user who reported the issue. Reboot the SOHO router connecting the LAN to the cable modem. Call the Internet service provider and report the problem. Replace the patch cable from the SOHO router to the cable modem. Connect a computer directly to the cable modem and attempt to access the Internet.

protects data by encrypting it from the time it leaves a remote computer until it reaches a server on a corporate network, using a technique called tunneling.

Virtual Private Netwrok (VPN)

designed to make it easier for users to connect their computers to a wireless network when a hard-to-remember SSID and security key are used

Wi-Fi Protected Setup (WPS)

A technician has verified that a bad Cat6 cable run in the wall is responsible for a workstation's lack of communication on the network.Which of the following tools can be used to pinpoint the location of the cable inside the wall?

Wi-Fi analyzer Network multimeter Cable tester Toner probe

Which of the following will you recommend to your coworker as the best tool to diagnose this issue? (Select TWO.)

Wi-Fi analyzer Loopback plug Network multimeter Punchdown tool Cable test

A group of computers on a peer-to-peer network that are sharing resources

Workgroup

In which of the following situations should you install an IPS instead of an IDS?

You want to improve access times to frequently accessed websites. You want to document any instance of malicious activity on your LAN. You want to block a single MAC address from accessing your LAN. You want to block unauthorized activity on your LAN from the Internet

What two terms describe the type of network cable that is used for connecting a computer to a switch or other network device

crossover cable power over Ethernet cable straight-through cable patch cable

What two terms describe the type of network cable that is used for connecting a computer to a switch or other network device?

crossover cable power over Ethernet cable straight-through cable patch cable

Which of the following are valid IPv6 addresses? Select all that apply.

fe80::64d2:bd2e:fa62:b911 fe80::g90p:bd2e:fa62:b911 fe80::64d2:bd2e::b911 ::1

a command that can be used to display the TCP/IP configuration

ipconfig

If you are experiencing issues reaching a target destination network, and you need to to display each hop to the destination, what command should you use?

ipconfig ifconfig tracert nslookup

What command will display a list of active and inactive network interfaces on Unix, Linux, and Mac OS X?

ipconfig -a ifconfig -a netsh show interfaces ip list network

While assisting a Windows user over the phone, you need to determine the IP address for the DHCP server along with the MAC address of the Ethernet NIC. The user has successfully opened a command prompt.What command will you have the user type at the command line to determine these two addresses?

ipconfig /all tracert ipconfig /release ping netstat net use

What command can be used to flush the local DNS cache on a Windows computer?

nslookup -f ipconfig /flushdns dns dump service dnscache restart