Networking - Chapter 4: Networking Addressing and Services

Which of the following can you append to the end of the dig command to run a query for all the records in the zone? A. -a B. -axfr C. -mx D. -ns

B. -axfr

Which organization is responsible for allocating public IP addresses? A. CompTIA B. IANA C. IETF D. IEEE

B. IANA

Which TCP/IP utility gives you the following output? Interface: 192.168.4.101 on Interface 0x3Internet Address Physical Address Type192.168.1.23 00-d1-b6-b7-c2-af dynamic A. nslookup B. arp C. ipconfig D. tracert

B. arp

You have a small network with a single subnet connected to the internet, as shown in the exhibit. The router has been assigned the two addresses shown. You need to manually configure the workstation to connect to the network. The workstation should use RouterA as the default gateway and DNS1 as the DNS server address. From the drop-down menu options, select the appropriate parameters to configure the workstation's TCP/IP settings. Select: A. 192.168.12.46 B. 255.255.255.240 C. 192.168.12.34 D. 198.162.1.22 Options: 1. IP address 2. Subnet mask 3. Default gateway 4. DNS server

A-1 B-2 C-3 D-4

Which of the following ports does NTP run on? A. 123 B. 80 C. 21 D. 443

A. 123

Which of the following protocols does DHCP use when it sends out IP configuration? A. UDP B. TCP C. IP D. SMTP

A. UDP

Which type of address is the IP address 198.162.12.254/24? A. Unicast B. Private C. Broadcast D. Multicast

A. Unicast

Which address type do people use to support video conference calls consisting of multiple participants? A. Unicast B. Multicast C. Anycast D. Loopback

B. Multicast

A host has an address of 100.55.177.99/16. Which of the following is the broadcast address for the subnet? A. 255.255.0.0 B. 100.255.255.255 C. 100.55.255.255 D. 255.255.255.0

C. 100.55.255.255

Which of the following works as an authoritative time device? A. Analog clock B. System clock C. Atomic clock D. Digital clock

C. Atomic clock

Which port is a DHCP Discover packet sent out on when a device first connects to a network? A. 53 B. 80 C. 68 D. 67

D. 67

You manage a network with two locations (Portland and Seattle). Both locations are connected to the internet. The computers in both locations are configured to use IPv6. You'd like to implement an IPv6 solution to meet the following requirements: Hosts in each location should be able to use IPv6 to communicate with hosts in the other location through the IPv4 internet. You want to use a site-to-site tunneling method instead of a host-to-host tunneling method. Which IPv6 solution should you use? A. 4to6 tunneling B. Teredo tunneling C. ISATAP D. 6to4 tunneling

D. 6to4 tunneling

What are the small, rapid variations in a system clock called? A. Skew B. Dispersion C. Drift D. Jitter

D. Jitter

Which type of address is the IP address 232.111.255.250? A. Broadcast B. Unicast C. Private D. Multicast

D. Multicast

What is the process of a DNS server asking other DNS servers to perform name resolution known as? A. Dynamic DNS B. Forward lookup zone C. Reverse lookup zone D. Recursive lookup

D. Recursive lookup

Which of the following time standards does NTP use? A. EDT B. CDT C. PDT D. UTC

D. UTC

Based on the address prefix for each IPv6 address on the right, identify the address type from the list on the left. (Addresses may not represent actual addresses used in production.) Drag: A. Global unicast B. Unique local C. Link-local D. Multicast Drop: 1. 2001:6789:9078::ABCE:AFFF:FE98:0001 2. FD00::8907:FF:FE76:ABC 3. FEA0::AB89:9FF:FE77:1234 4. FF00:98BD:6532::1 5. FF02::1:2

A-1 B-2 C-3 D-4 D-5

Consider the following IPv6 address: FD01:0001:0001:005::7/64 Drag the component parts of this address on the left to the corresponding descriptions on the right. (Not all descriptions on the right have corresponding components on the left.) Drag: A. FD01:0001:0001:005 B. :005 C. ::7 D. /64 E. F. FD Drop: 1. Global routing prefix 2 Subnet ID 3 Interface ID 4. Prefix length 5. Global ID 6. Unique local unicast prefix

A-1 B-2 C-3 D-4 E-5 F-6

Your network has a network address of 172.17.0.0 with a subnet mask of 255.255.255.0. Which of the following are true concerning this network? (Select two.) A. 254 IP addresses can be assigned to host devices. B. 172.17.0.1 is reserved for the default gateway. C. 172.17.255.255 is the network broadcast address. D. 256 IP addresses can be assigned to host devices. E. 172.17.0.255 is the network broadcast address.

A. 254 IP addresses can be assigned to host devices. E. 172.17.0.255 is the network broadcast address.

Which network address and subnet mask does APIPA use? (Select two.) A. 255.255.0.0 B. 255.255.255.0 C. 169.0.250.0 D. 255.0.0.0 E. 169.255.0.0 F. 169.254.0.0

A. 255.255.0.0 F. 169.254.0.0

You have a TCP/IP network with 50 hosts. There have been inconsistent communication problems between these hosts. You run a protocol analyzer and discover that two of them have the same IP address assigned. Which protocol can you implement on your network to help prevent problems such as this? A. DHCP B. IGMP C. TCP D. SNMP

A. DHCP

You are a network technician for a small consulting firm. Many users have reported issues with accessing the network. After some initial troubleshooting, you discover that devices are not receiving their IP configurations. You look into the issue and discover that the network is being targeted by a denial-of-service attack. Which of the following is your network MOST likely experiencing? A. DHCP starvation attack B. Rogue DNS server C. APIPA D. On-path attack

A. DHCP starvation attack

You want to implement a protocol on your network that allows computers to find a host's IP address from a logical name. Which protocol should you implement? A. DNS B. Telnet C. ARP D. DHCP

A. DNS

Which of the following services automatically creates and deletes host records when an IP address lease is created or released? A. Dynamic DNS B. Forward lookup C. Dynamic NAT D. DHCP Relay

A. Dynamic DNS

Which of the following IPv6 addresses is used by a host to contact a DHCP server? A. FF02::1:2 B. FE80::2 C. FF02::2 D. FE80::1:2

A. FF02::1:2

Which of the following does the DHCP relay agent use to tell the DHCP server which pool of addresses to use? A. GIADDR B. DHCP scope C. Subnet mask D. DHCP ACK

A. GIADDR

You need to design an IPv6 addressing scheme for your network. The following are key requirements for your design: Infrastructure hosts, such as routers and servers, are assigned static interface IDs. However, workstations, notebooks, tablets, and phones are assigned interface IDs dynamically. Internet access must be available to all hosts through an ISP. Site-to-site WAN connections are created using leased lines. Which type of IPv6 addressing is most appropriate for hosts on this network? A. Global unicast addressing B. Unique local unicast addressing C. Link-local addressing D. Anycast addressing

A. Global unicast addressing

Which of the following is the first place a computer looks at during the name resolution process? A. HOSTS file B. DNS server C. Forward lookup zone D. Reverse lookup zone

A. HOSTS file

Which protocol does an IP host use to inform a router that it wants to receive specific multicast frames? A. IGMP B. SNMP C. SMTP D. ICMP

A. IGMP

You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet. 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-EFDHCP 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 What is the most likely cause of the problem? A. Incorrect default gateway B. Incorrect subnet mask C. Incorrect IP address D. Incorrect DNS server address

A. Incorrect default gateway

Which of the following commands do you use to clear the local DNS cache? A. ipconfig /flushdns B. dig -x C. ipconfig /release D. nslookup set type=PTR

A. ipconfig /flushdns

You've configured your organization's DHCP server to dynamically assign IP addresses and changed the default lease time from eight to four days. What impact, if any, will this have on the network? A. Increased network traffic B. No impact C. Network bandwidth will increase D. Router performance will improve E. Decreased network traffic

A. Increased network traffic

Which of the following are characteristics of Teredo tunneling? (Select three.) A. Is configured between individual hosts B. Uses an IPv6 address static association for the IPv4 address C. Has dual-stack routers D. Can be used to send data over the internet E. Can't be used to send data over the internet F. Is configured between routers at different sites G. Has dual-stack hosts

A. Is configured between individual hosts D. Can be used to send data over the internet G. Has dual-stack hosts

You have a server at work with a custom application installed. Connections to the server that use the custom application must use IPv6, but the server is currently running IPv4. You're the only person who connects to the server, and you always use your Linux laptop for the connection. Your laptop supports both IPv4 and IPv6, but the rest of your company network runs only IPv4. You need a cost-effective solution to allow your laptop to connect to the server. Your solution must also support communication through NAT servers. Which client software should you use to connect to the server? A. Miredo B. 6to4 C. 4to6 D. ISATAP

A. Miredo

What is the first thing a device does when it connects to a network? A. Sends a DHCP Discover packet B. Sends a DHCP Request packet C. Sends a DHCP ACK packet D. Sends a DHCP Offer packet

A. Sends a DHCP Discover packet

You are the network administrator for a small consulting firm. Users are complaining that they are unable to reach network resources. After some troubleshooting, you've confirmed that the DHCP server is down. Your network devices should be receiving an APIPA address so that they can at least communicate on the internal network, but many devices are not receiving this address. Which of the following is the MOST likely reason the devices are not receiving their APIPA addresses? A. The DHCP lease has not expired. B. Alternate IP addresses need to be configured. C. The DNS lease has not expired. D. APIPA is not enabled.

A. The DHCP lease has not expired.

After you install a new DHCP server on your network, you need to verify that the network devices are receiving IP addressing via DHCP. You reboot a Windows 10 client system and, using the ipconfig /all command, receive the following information: Ethernet adapter Local Area Connection 1: Description . . . . . . . . . . . : Intel(R) Ethernet Connection Physical Address. . . . . . . . . : 02-00-4C-4F-3F-50DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Autoconfiguration IPv4 Address. . : 169.254.25.129 Subnet Mask . . . . . . . . . . . : 255.255.0.0 Default Gateway . . . . . . . . . : DNS Servers . . . . . . . . . . . : Which of the following statements are true? (Select two). A. The client system is unable to reach the DHCP server. B. DHCP is disabled on the client system. C. The network subnet mask is incorrect. D. The network is configured to use static IP addressing. E. The default gateway address needs to point to the DHCP server. F. The client system is configured to use DHCP.

A. The client system is unable to reach the DHCP server. F. The client system is configured to use DHCP.

Due to wide network expansion, you've decided to upgrade your network by configuring a DHCP server. The network uses Linux, Windows, and Mac OS X client systems. You configure the server to distribute IP addresses from 192.168.2.1 to 192.168.2.100. You use the subnet mask of 255.255.255.0. After you make all the setting changes on the DHCP server, you reboot each client system, but they are not able to obtain an IP address from the DHCP server. Which of the following explains the failure? A. You must configure the clients to obtain IP addressing from a DHCP server. B. You must reboot the DHCP server. C. DHCP does not function in a heterogeneous computing environment. D. 192.168.x.x requires a Class C subnet mask.

A. You must configure the clients to obtain IP addressing from a DHCP server.

Which of the following tools would you use to view the MAC addresses associated with IP addresses that the local workstation has contacted recently? A. arp B. netstat C. arping D. nbtstat

A. arp

You are using Linux and need to perform a reverse lookup of the IP address 10.0.0.3. Which command would you use to accomplish this? A. dig -x 10.0.0.3 B. nbtstat -a 10.0.0.3 C. arp 10.0.0.3 D. nslookup 10.0.0.3

A. dig -x 10.0.0.3

While working on a Linux server, you're unable to connect to your Windows Server system across the internet. You're able to ping the default gateway on your own network, so you suspect that the problem lies outside of the local network. Which utility would you use to track the route a packet takes as it crosses the network? A. traceroute B. ipconfig C. tracert D. ifconfig

A. traceroute

Which of the following statements about Dynamic Host Configuration Protocol (DHCP) are true? (Select two.) A. It cannot be configured to assign the same IP address to the same host each time it boots. B. A DHCP server assigns addresses to requesting hosts. C. IP addresses cannot be excluded from a range of delivered addresses. D. It can deliver other configuration information in addition to IP addresses. E. It is only used to deliver IP addresses to hosts.

B. A DHCP server assigns addresses to requesting hosts. D. It can deliver other configuration information in addition to IP addresses.

What is the correct binary form of the decimal IP address 192.168.1.1? A. 10101100.00010001.00000001.00000001 B. 11000000.10101000.00000001.00000001 C. 11000000.10101000.00000010.00000001 D. 00001010.10101000.00000001.00000001

B. 11000000.10101000.00000001.00000001

Your network uses a network address of 137.65.0.0 with a subnet mask of 255.255.0.0. How many IP addresses are available to assign to network hosts on this network? A. 16777214 B. 65534 C. 2 D. 254

B. 65534

Which of the following needs to be configured when a device receives its IP configuration from APIPA? A. DNS server B. Subnet Mask C. IP address D. IP lease time E. Default gateway

B. Subnet Mask C. IP address

You are the network administrator for a small consulting firm. The firm has recently rolled out a new intranet site, and you are responsible for configuring the DNS. You are able to connect to the intranet site by using the IP address, but you cannot connect when you use the hostname. Which of the following do you need to configure so that the site can be accessed with the hostname? A. Dynamic DNS B. Forward lookup zone C. Reverse lookup zone D. CNAME record

B. Forward lookup zone

You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet. This workstation cannot communicate with any other host on the network. 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-EFDHCP Enabled. . . . . . . : No Autoconfiguration Enabled . . : Yes IPv4 Address. . . . . . . : 192.168.2.102(Preferred) Subnet Mask . . . . . . . : 255.255.255.0 Default Gateway. . . . . . : 192.168.1.1 DNS Servers . . . . . . . : 192.168.2.20 What is the MOST likely cause of the problem? A. Incorrect default gateway B. Incorrect IP address C. Incorrect subnet mask D. Incorrect DNS server address

B. Incorrect IP address

Which of the following strategies do we use to prevent duplicate IP addresses from being used on a network? (Select two.) A. Configure client systems to use static IP assignment. B. Install a DHCP server on the network. C. Set the Windows Network Monitoring utility to identify potential IP conflicts. D. Configure a HOSTS file for local IP resolution. E. Use Automatic Private IP Addressing (APIPA).

B. Install a DHCP server on the network. E. Use Automatic Private IP Addressing (APIPA).

Which of the following address types shares multiple hosts and groups of computers that receive the same data stream? A. Broadcast B. Multicast C. Half-duplex D. Unicast

B. Multicast

When a device renews its DHCP lease, which two steps in the DHCP process are skipped? A. Renew B. Offer C. Discover D. Request E. ACK

B. Offer C. Discover

If dynamic DNS is in use, which of the following events causes a dynamic update of the host records? (Select two.) A. Clear the browser cache on a workstation. B. Renew the DHCP server's IP address lease. C. Add a CNAME record to the DNS server. D. Add an MX record to the DNS server. E. Enter the ipconfig /registerdns command on a workstation.

B. Renew the DHCP server's IP address lease. E. Enter the ipconfig /registerdns command on a workstation.

You have a small network with three subnets, as shown in the exhibit. IP addresses for each router interface are also indicated in the exhibit. How many IP addresses that you can assign to hosts remain on each subnet? A. SubnetA = 253, SubnetB = 4, SubnetC = 29 B. SubnetA = 125, SubnetB = 0, SubnetC = 13 C. SubnetA = 61, SubnetB = 0, SubnetC = 5 D. SubnetA = 254, SubnetB = 6, SubnetC = 30 E. SubnetA = 126, SubnetB = 2, SubnetC = 14 F. SubnetA = 62, SubnetB = 0, SubnetC = 6

B. SubnetA = 125, SubnetB = 0, SubnetC = 13

Which of the following best describes the purpose of using subnets? A. Subnets combine multiple IP network addresses into one network address. B. Subnets divide an IP network address into multiple network addresses. C. Subnets place each device within its own collision domain. D. Subnets let you connect a private network to the internet.

B. Subnets divide an IP network address into multiple network addresses.

You are the network administrator for a large hospital. One of your users, Suzie, calls you stating that she is unable to access any network resources. After some initial troubleshooting, you realize that her computer is using the IP address 169.254.0.52. You've performed the following troubleshooting steps so far: Verified physical network connection Attempted to renew the IP address Discovered other devices are experiencing the same issue Which of the following is the MOST likely cause for Suzie's issue? A. The gateway router is down. B. The DHCP server is misconfigured or down. C. The DNS server is misconfigured or down. D. The computer is assigned a static IP address.

B. The DHCP server is misconfigured or down.

You need to configure a Cisco RFC 1542-compliant router to forward any received DHCP frames to the appropriate subnet. The remote DHCP server's address is 172.16.30.1. Which of the following commands would you use to configure the router? A. ifconfig 172.16.30.1 B. ip helper-address 172.16.30.1 C. ip address dhcp 172.16.30.1 D. host 172.16.30.1

B. ip helper-address 172.16.30.1

Mary calls to tell you that she can't connect to an intranet server called WebSrv1. From her computer, you ping the server's IP address. The ping test is successful. Which tool would you use on her workstation next to troubleshoot the problem? A. netstat B. nslookup C. tracert D. arp

B. nslookup

Which of the following is a valid APIPA address? A. 169.0.0.50 B. 10.23.0.50 C. 169.254.32.50 D. 192.168.0.50

C. 169.254.32.50

What is the decimal form of the following binary IP address? 11001101.00111001.10101001.01000010 A. 238.90.202.99 B. 206.58.170.67 C. 205.57.169.66 D. 190.42.154.51

C. 205.57.169.66

Which port does the relay agent use when it sends DHCP information back to the client? A. 67 B. 80 C. 68 D. 53

C. 68

Which of the following devices is MOST LIKELY to be assigned a public IP address? A. A router on your company network that segments your LAN into two subnets. B. A database server that's used by your company's website for storing customer information. C. A router that connects your home network to the internet. D. A workstation on your company network that has internet access.

C. A router that connects your home network to the internet.

You administer a network with Windows Server 2016, UNIX servers, and Windows 10 Professional, Windows 8, and Macintosh clients. A Windows 8 computer user calls you one day and says that he is unable to access resources on the network. You type ipconfig on the user's computer and receive the following output: 0 Ethernet adapter: IP address. . . . . . . . . : 169.254.1.17 Subnet Mask . . . . . . . . : 255.255.0.0 Default Gateway . . . . . . : You also check your NIC and see that the link light is on. What might the problem be in this scenario? A. A missing default gateway B. The user changed their computer's configuration C. An unavailable DHCP server D. A bad NIC

C. An unavailable DHCP server

Which of the following BEST describes the special MAC address that multicast traffic frames are sent to? A. Begins with a form of the IP multicast group address and ends with 01-00-5E B. Begins with a form of the router's IP address and ends with 01-00-5E C. Begins with 01-00-5E and ends with a form of the IP multicast group address D. Begins with 01-00-5E and ends with a form of the router's IP address

C. Begins with 01-00-5E and ends with a form of the IP multicast group address

You are the network administrator for a small consulting firm. The office network consists of 30 computers, one server, two network printers, and a switch. Due to security concerns, there is no wireless network available in the office. One of your users, Bob, travels to client sites and is generally not in the office. When Bob goes to client sites, he typically just connects to their wireless networks. When he's in the office, Bob connects his laptop to the network with an Ethernet cable. You need to make sure that Bob's laptop is setup so that when he plugs the Ethernet cable into his laptop, no further configuration is needed. Which of the following would be the BEST option to achieve this? A. Set up a separate DHCP server. B. Set up a wireless network in the office. C. Configure an alternate IP configuration. D. Set up a separate computer for Bob to use when he's in the office

C. Configure an alternate IP configuration.

A user reports that they cannot browse to a specific website on the internet. From the user's computer, a computer tech finds 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? A. Incorrect default gateway address B. Duplicate IP addresses C. Incorrect DNS server address D. Incorrect subnet mask value

C. Incorrect DNS server address

You're troubleshooting an IP addressing issue, and you issue a command to view the system's TCP/IP configuration. The command you use produces the following output: fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 inet6 fe80::2a0:83ff:fe30:57a%fxp0 prefixlen 64 scopeid 0x1 inet 192.168.1.235 netmask 0xfffffc00 broadcast 255.255.255.255 ether 00:a0:83:30:05:7a media: Ethernet autoselect (100baseTX <full-duplex>) status: active lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x7 inet 127.0.0.1 netmask 0xff000000 Which of the following operating systems are you working on? A. Windows 10 B. Windows Server 2016 C. Linux D. Windows Server 2019

C. Linux

CorpServ is a small company with 14 client systems and a network printer. Because there are only a limited number of network systems, you decide to use APIPA addressing. With APIPA configured, all the systems are able to communicate with each other, but you're having trouble configuring internet access. What is the MOST LIKELY cause of the problem? A. All client systems must be rebooted. B. The DNS server is unavailable to resolve internet host names. C. Private addresses cannot directly communicate with hosts outside the local subnet. D. The default gateway is not set on the client systems.

C. Private addresses cannot directly communicate with hosts outside the local subnet.

You are the network administrator for a large hospital. One of your users, Suzie, calls you stating that she is unable to access any network resources. After some initial troubleshooting, you realize that her computer is using the IP address 169.254.0.52. You've confirmed that the network's physical connection is connected properly. Which of the following should you do next? A. Reboot the DNS server. B. Reboot the DHCP server. C. Renew the IP address. D. Ping the gateway.

C. Renew the IP address.

Which of the following DHCP scope options assigns a static IP configuration to a device using that device's MAC address? A. IP range B. Exclusion C. Reservation D. Default gateway

C. Reservation

You are a network technician for a small consulting firm. Many users have reported issues with accessing the network. After some initial troubleshooting, you discover that many devices have the same IP address assigned or incorrect IP configurations. Which of the following would be the MOST likely cause for this? A. Incorrect default gateway B. Rogue DNS server C. Rogue DHCP server D. Exhausted DHCP scope

C. Rogue DHCP server

Which of the following will not function properly if there is a time mismatch error? A. Program installation B. Event logging C. Security certificates D. Windows login

C. Security certificates

Which IP address do broadcast messages use? A. 224.0.0.0 B. 224.0.0.1 C. The last valid IP address on the subnet D. The first valid IP address on the subnet

C. The last valid IP address on the subnet

On a typical network, what happens if a client attempts to receive DHCP configuration from a DHCP server that's located on a different subnet? A. The client will not send a DHCP request. B. The request needs to be manually forwarded to the server. C. The router drops the DHCP request. D. The DHCP request is automatically forwarded to the server.

C. The router drops the DHCP request.

What is it called when a system's clock begins to be off by a few seconds or even minutes? A. Slam B. Dispersion C. Time drift D. Slew

C. Time drift

Which of the following is the top-level domain in www.testout.com.'s fully qualified domain name (FQDN)? A. . (period) B. www C. com D. testout

C. com

You are troubleshooting a network connectivity issue on a Unix system. You're able to connect to remote systems by using their IP address, but you're unable to connect using the hostname. You check the TCP/IP configuration and notice that a DNS server IP address is configured. You decide to run some manual resolution queries to ensure that the communication between the Unix system and the DNS server are working correctly. Which utilities can you use to do this? (Select two.) A. arp B. traceroute C. dig D. nslookup E. tracert

C. dig D. nslookup

You are a network technician for a small consulting firm. One of your responsibilities is to manage the intranet site and configuration. You recently had to update the site's IP mapping due to a server upgrade. A user is having an issue with connecting to the intranet site now. When the user attempts to connect through their web browser, they receive a message that the page cannot be displayed. If you type in the IP address, the page loads fine. Which of the following commands should you use to fix this issue? A. ipconfig /displaydns B. ipconfig /release C. ipconfig /flushdns D. ipconfig /registerdns

C. ipconfig /flushdns

Which two commands do you use to force a new IP configuration? A. ipconfig B. ipconfig /all C. ipconfig /release D. ipconfig /flushdns E. ipconfig /renew

C. ipconfig /release E. ipconfig /renew

Examine the following output: Active Connections Proto Local Address Foreign Address State TCP SERVER1:1036 localhost:4832 TIME_WAIT TCP SERVER1:4798 localhost:1032 TIME_WAIT TCP SERVER1:1258 pool-141-150-16-231.mad.east.ttr:24076 CLOSE_WAIT TCP SERVER1:2150 cpe-66-67-225-118.roc.res.rr.com:14100 ESTABLISHED TCP SERVER1:268 C872c-032.cpe.net.cale.rers.com:46360 ESTABLISHED TCP SERVER1:2995 ip68-97-96-186.ok.ok.cox.net:23135 ESTABLISHED Which of the following utilities produced this output? A. ifconfig B. dig C. netstat D. nslookup

C. netstat

Your computer is sharing information with a remote computer using the TCP/IP protocol. Suddenly, the connection stops working and appears to hang. Which command can you use to check the connection? A. ping B. arp C. netstat D. ipconfig

C. netstat

Which of the following commands should you use to check the route a packet takes between a workstation and the DNS server? A. nslookup B. dig C. tracert D. ping

C. tracert

You are the network administrator for a consulting firm. Your network consists of: 40 desktop computers Two servers Three network switches Two network printers You've been alerted to an issue with two desktop computers that are having problems communicating with the network. When only one computer is on, everything is fine. But when both computers are connected, the network connection is randomly dropped or interrupted. Which of the following would be the MOST likely cause for this? A. Rogue DNS server B. Exhausted DHCP scope C. Incorrect default gateway D. Duplicate MAC Addresses

D. Duplicate MAC Addresses

Which of the following would a device use to receive NTP configuration from a NTP server that's located on a different network? A. NTP relay agent B. NTP helper C. UDP relay agent D. IP helper

D. IP helper

Which stratum level does the authoritative time device fall under? A. 1 B. 2 C. 3 D. 0

D. 0

Which of the following are valid IPv6 addresses? (Select two.) A. 343F:1EEE:ACDD:2034:1FF3:5012 B. 127.0.0.1 C. 192.168.2.15 D. 141:0:0:0:15:0:0:1 E. 6384:1319:7700:7631:446A:5511:8940:2552 F. 165.15.78.53.100.1

D. 141:0:0:0:15:0:0:1 E. 6384:1319:7700:7631:446A:5511:8940:2552

Which of the following is the highest stratum level allowed? A. 5 B. 10 C. 20 D. 15

D. 15

Which of the following IP address ranges is reserved for Automatic Private IP Addressing (APIPA)? A. 169.192.0.0 - 169.192.254.255 B. 192.168.0.0 - 192.168.255.254 C. 169.168.0.1 - 169.168.255.255 D. 169.254.0.1 - 169.254.255.254

D. 169.254.0.1 - 169.254.255.254

Consider the following output from a dig command run on a Linux system. ; <<>> DiG 8.2 <<>> westsim111.com ;;res options:init recurs defnam dnsrch ;;got answer: ;;->>HEADER<<-opcode:QUERY, status: NOERROR, id:4 ;;flags: qr rd ra; QUERY:1, ANSWER:1, AUTHORITY:2, ADDITIONAL:0 ;;QUERY SECTION: ;; westsim111.com, type = A, class = IN ;;ANSWER SECTION: westsim111.com. 7h33m IN A 76.141.43.129 ;;AUTHORITY SECTION: westsim111.com. 7h33m IN NS dns1.deriatct111.com. westsim111.com. 7h33m IN NS dns2.deriatct222.com. ;;Total query time: 78 msec ;;FROM: localhost.localdomain to SERVER:default -- 202.64.49.150 ;;WHEN: Tue Feb 16 23:21:24 2005 ;;MSG SIZE sent: 30 rcvd:103 What is the IP address of the DNS server that performed this name resolution? A. 16.23.21.24 B. 192.168.1.100 C. 76.141.43.129 D. 202.64.49.150

D. 202.64.49.150

Which of the following IPv6 addresses is equivalent to the IPv4 loopback address of 127.0.0.1? A. FF02::1 B. FE80::1 C. :: D. ::1

D. ::1

Which protocol is used by a device to ensure that an APIPA address is not already in use on the network? A. TCP B. IP C. DHCP D. ARP

D. ARP

Which of the following allows the same IPv6 address to be assigned to multiple interfaces? A. Multicast B. Unicast C. Broadcast D. Anycast

D. Anycast

Which of the following gives the same IP address to multiple servers and manually defines different routes on an IPv4 network? A. Multicast B. Anycast C. IGMP D. BGP

D. BGP

You have a network with 50 workstations. You want to automatically configure the workstations with the IP address, subnet mask, and default gateway values. Which device should you use? A. Router B. Router C. DNS server D. DHCP server

D. DHCP server

You need to enable hosts on your network to find the IP address of logical names, such as srv1.myserver.com. Which device should you use? A. IPS B. IDS C. Bandwidth shaper D. DNS server

D. DNS server

You recently created a new network segment for the Development department. Because the hosts are now on a different network segment, they can no longer contact the DHCP server. Both network segments are connected via a Cisco router. Which of the following would be the BEST action to take to fix the problem? A. Configure the router to forward broadcast messages. B. Move the DHCP server to the new network segment. C. Install and configure a new DHCP server on the Development network segment. D. Implement an IP helper address on the router.

D. Implement an IP helper address on the router.

You are a network technician for a small consulting firm. One of your users is complaining that they are unable to connect to the local intranet site. After some troubleshooting, you've determined that the intranet site can be connected to by using the IP address but not the hostname. Which of the following would be the MOST likely reason for this? A. Incorrect subnet mask B. Incorrect DHCP configuration C. Incorrect default gateway D. Incorrect DNS settings

D. Incorrect DNS settings

You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet. 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-EFDHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask. . . . . . . . : 255.255.0.0 Default Gateway . . . . . . : 192.168.1.1DNS Servers . . . . . . . : 192.168.1.20192.168.1.27 What is the MOST likely cause of the problem? A. Incorrect default gateway B. Incorrect IP address C. Incorrect DNS server address D. Incorrect subnet mask

D. Incorrect subnet mask

Which of the following best describes NTP efficiency? A. One packet per second is necessary to sync two machines to an accuracy of within a millisecond of one another. B. One packet every five minutes is necessary to sync two machines to an accuracy of within a millisecond of one another. C. Four packets per minute are necessary to sync two machines to an accuracy of within a millisecond of one another. D. One packet per minute is necessary to sync two machines to an accuracy of within a millisecond of one another.

D. One packet per minute is necessary to sync two machines to an accuracy of within a millisecond of one another.

You have a Windows Server 2016 system that you want to use as a DHCP relay agent. Which Windows Server 2016 service would you use to do this? A. DNS B. Internet Information Services (IIS) Manager C. SMB D. Routing and Remote Access

D. Routing and Remote Access

You are the network administrator for a small consulting firm. You've set up an NTP server to manage the time across all the machines in the network. You have a computer that's experiencing a slight time drift of just a few seconds. Which time correction should you use to fix the system's clock? A. Skew B. Slam C. Jitter D. Slew

D. Slew

Examine the following output: Server: to.xct.mirrorxhq.net Address: 209.53.4.130 Name: westxsim.com Address: 64.78.193.84 Which of the following utilities produced this output? A. netstat B. tracert C. ipconfig D. nslookup

D. nslookup

You are configuring the DHCP relay agent role on a Windows server. Which of the following is a required step for the configuration? A. Connect an RFC 1542-compliant router to the Windows server. B. Configure the Windows server to be on the same subnet as the DHCP server. C. Use the ip helper-address command to specify the remote DHCP server. D. Specify which server network interface the agent listens on for DHCP messages.

D. Specify which server network interface the agent listens on for DHCP messages.

You manage a network that uses IPv6 addressing. When clients connect devices to the network, they generate an interface ID and use NDP to learn the subnet prefix and default gateway. Which IPv6 address assignment method is being used? A. Static full assignment B. Static partial assignment C. Stateful DHCPv6 D. Stateless autoconfiguration

D. Stateless autoconfiguration

You are the network administrator for a consulting firm. A website that users on your network visit has a habit of frequently changing its IP address. When these IP mappings change, users are unable to connect until you clear the DNS cache. Which of the following settings should you configure so that the cache does not need to be manually cleared every time? A. Forward lookup zone B. Reverse lookup zone C. CNAME record D. Time to live

D. Time to live

Which type of address identifies which single host to send a packet to? A. Broadcast B. Multicast C. Simplex D. Unicast

D. Unicast

Consider the following output. ;; res options: init recurs defnam dnsrch ;;got answer: ;;->>HEADER<<-opcode:QUERY, status; NOERROR,id:4 ;;flags: qr rd ra; QUERY:1, ANSWER:1, AUTHORITY:2, ADDITIONAL:0 ;;QUERY SECTION: ;; westsim111.com, type = A, class = IN ;;ANSWER SECTION:westsim111.com. 7h33m IN A 76.141.43.129 ;;AUTHORITY SECTION:westsim111.com. 7h33m IN NS dns1.deriatct111.com.westsim111.com. 7h33m IN NS dns2.deriatct222.com. ;;Total query time: 78 msec ;;FROM: localhost.localdomain to SERVER: default -- 202.64.49.150 ;;WHEN: Tue Feb 16 23:21:24 2005 ;;MSG SIZE sent: 30 rcvd: 103 Which of the following utilities produced this output? A. ping B. nbtstat C. nslookup D. dig

D. dig

You've been called in to troubleshoot a connectivity problem on a newly installed Windows Server system. The system is operating well and is able to communicate with other systems on the local network. However, it's unable to access any systems on other segments of the corporate network. You suspect that the system's default gateway parameter hasn't been configured or may be configured incorrectly. Which of the following utilities are you MOST likely to use to view the system's default gateway information? A. ifconfig B. netstat C. tcpdump D. ipconfig

D. ipconfig

Which TCP/IP utility gives you the following output? Picture: https://cdn.testout.com/_version_6023/netpro2021v6-en-us/en-us/resources/text/t_arp_netstat_np6/q_arp_netstat_netstat-r_np6.png A. netstat -s B. netstat -a C. netstat D. netstat -r

D. netstat -r

Examine the following output: Reply from 64.78.193.84: bytes=32 time=86ms TTL=115 Reply from 64.78.193.84: bytes=32 time=43ms TTL=115 Reply from 64.78.193.84: bytes=32 time=44ms TTL=115 Reply from 64.78.193.84: bytes=32 time=47ms TTL=115 Reply from 64.78.193.84: bytes=32 time=44ms TTL=115 Reply from 64.78.193.84: bytes=32 time=44ms TTL=115 Reply from 64.78.193.84: bytes=32 time=73ms TTL=115 Reply from 64.78.193.84: bytes=32 time=46ms TTL=115 Which of the following utilities produced this output? A. nslookup B. ifconfig C. tracert D. ping

D. ping

Which TCP/IP utility gives you the following output? Picture: https://cdn.testout.com/_version_6023/netpro2021v6-en-us/en-us/resources/text/t_trouble_network_comm_np6/q_trouble_network_comm_ping_03_np6.png A. ifconfig B. ipconfig C. arp -a D. ping

D. ping