Modual 2 Test
Assuming the network is indicated by the default portion of the IP address, which three of the following IP addresses belong to the Class A network 114.0.0.0? (Select three.)
114.122.66.12 and 114.0.0.15 and 114.58.12.0
A host on the network has an IP address of 129.11.99.78 using the default subnet mask. How would you identify the address and mask using CIDR notation?
129.11.99.78/16
Which of the following are valid IPv6 IP addresses? Select all that apply.
141:0:0:0:15:0:0:1 6384:1319:7700:7631:446A:5511:8940:2552
Which of the following is the last IP address that can be assigned to hosts on the 166.70.0.0 network using the default subnet mask?
166.70.255.254
What is the network address and subnet mask used by APIPA? (Select two.)
169.254.0.0 and 255.255.0.0
Which of the following IP address ranges is reserved for automatic private IP addressing?
169.254.0.1 - 169.254.255.254
You've decided to use a subnet mask of 255.255.192.0 on the 172.17.0.0 network to create four separate subnets. Which network IDs will be assigned to these subnets in this configuration? (Select two.) Correct Answer:
172.17.128.0 and 172.17.0.0
Your network has been assigned the Class B network address of 179.113.0.0. Which three of the following addresses can be assigned to hosts on your network?
179.113.89.0 and 179.113.65.12 and 179.113.0.118
You have two switches connected together as shown in the following diagram. How many broadcast domains are in the network shown?
2
Your network has been assigned the Class C network address 200.78.151.0. Which of the following addresses can be assigned to hosts on your network? (Select three.)
200.78.151.111,200.78.151.12,200.78.151.252
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?
202.64.49.150
Which of the following tunneling methods is used to send IPv4 traffic through an IPv6 network?
4to6 tunneling
You manage a network with two locations, Portland and Seattle. Both locations are connected to the internet. All computers in both locations are configured to use IPv6. You would 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?
6to4
Which two of the following statements about the dynamic host configuration protocol (DHCP) are true?
A DHCP server assigns addresses to requesting hosts. It can deliver other configuration information in addition to IP addresses.
You administer a network with Windows Server 2016 and UNIX servers and Windows 10 Professional, Windows 7, and Macintosh clients. A Windows 7 computer user calls you one day and says 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. . . . . . . . . : 169.254.1.17Subnet Mask . . . . . . . . : 255.255.0.0Default Gateway . . . . . . : You also check your NIC and see the link light on. What might the problem be?
An unavailable DHCP server.
You manage a server that uses an IP address of 192.168.255.188 with a mask of 255.255.0.0. Which of the following describes the address type?
Classless
Match each type of switch on the left with its corresponding characteristics on the right. Each switch type may be used once, more than once, or not at all.
Commonly sold at retail stores. Unmanaged switch Provides port security features. Managed switch Supports VLANs. Managed switch Provides very few configuration options. Unmanaged switch Can be configured over a network connection. Managed switch Can be configured over a dedicated communication channel. Managed switch
Match each switch management method on left with its corresponding characteristics on the right. Each method may be used once, more than once, or not at all.
Competes with normal network traffic for bandwidth. In-band management Uses a dedicated communication channel. Out-of-band management Must be encrypted to protect communications from sniffing. In-band management Does not compete with normal network traffic for bandwidth. Out-of-band management Affected by network outages. In-band management
Computers A and B are on the same VLAN and are separated by two switches as shown in the exhibit. Computer A sends a frame to Computer B. Which of the following best describes the composition of the frame as it travels from A to B?
Computer A sends a normal frame. The first switch appends a VLAN ID to the frame. The second switch removes the VLAN ID before forwarding it to Computer B.
What does the ip address dhcp command allow you to do?
Configure the switch to obtain an IP address from a DHCP server.
Match the Cisco device password type on the left with its function on the right.
Controls the ability to log on through a LAN or WAN interface configured on the device. VTY Controls the ability to connect to the device using a web browser using HTTPS. SDM Controls the ability to connect to the device using a direct connection. Console
You have a TCP/IP network with 50 hosts. There have been inconsistent communication problems between hosts. You run a protocol analyzer and discover that two hosts have the same IP address assigned. Which protocol can you implement on your network to help prevent problems such as this?
DHCP
You have a network with 50 workstations. You want to automatically configure workstations with the IP address, subnet mask, and default gateway values. Which device should you use?
DHCP server
You want to implement a protocol on your network that allows computers to find the IP address of a host from a logical name. Which protocol should you implement?
DNS
You need to enable hosts on your network to find the IP address of logical names such as srv1.myserver.com. Which device would you use? Correct Answer:
DNS server
You have a small network, as shown in the Exhibit. You have configured the IP address and subnet mask on Wrk1. You want to be able to use Wrk1 to browse the internet to connect to sites like www.cisco.com. Which other parameters are required on the workstation? (Select two.)
DNS server address and Default gateway
Which of the following statements describe how VLANs affect broadcast traffic within an internetwork? (Select two.)
Devices on the same VLAN have the same subnet address. Broadcast traffic is transmitted only within a VLAN.
Which of the following best describes the concept of a VLAN? Correct Answer:
Devices on the same network logically grouped as if they were on separate networks.
Which of the following are characteristics of Teredo tunneling? (Select three.)
Dual stack hosts. Tunnel endpoints configured oh hosts Works through NAT.
Which of the following services automatically creates and deletes host records when an IP address lease is created or released?
Dynamic DNS
You need to disable the FastEthernet 0/0 interface on a switch. Drag the command on the left to the appropriate configuration step on the right. It is possible that not all of the commands are required.
Enter global configuration mode. conf t Enter interface configuration mode. int fa0/0 Disable the interface. shutdown Verify that the interface is disabled. show ip interface brief
The FastEthernet 0/0 interface on a switch is currently disabled. You need to enable it so a workstation can be connected to it. Drag the command on the left to the appropriate configuration step on the right. It is possible that not all commands are required.
Enter global configuration mode. conf t Enter interface configuration mode. int fa0/0 Enable the interface. no shut Verify that the interface is enabled. show interface status
You need to configure the FastEthernet 0/1 interface on a switch to automatically detect the appropriate link speed and duplex setting by negotiating with the device connected to the other end of the link. Drag the command on the left to the appropriate configuration step on the right. It is possible that not all of the commands are required.
Enter global configuration mode. conf t Enter interface configuration mode. int fa0/1 Set the speed of the interface. speed auto Set the duplex setting for the interface. duplex auto
Which of the following is a valid IPv6 address?
FEC0::AB:9007
Which protocol does an IP host use to inform a router that it wants to receive specific multicast frames?
IGMP
You have a workstation connected to a small branch network using a single switch. The network does not have any routers and is not connected to the internet. What are the minimum configuration parameters required on the workstation to be able to communicate with all hosts on the network? Correct Answer:
IP address and subnet mask
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 options, select the appropriate parameters to configure the workstation's TCP/IP settings.
IP:192.168.12.46 sub:255.255.255.240 Gate:192.168.12.34 DNS:198.162.1.22
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 in order to fix the problem?
Implement an IP helper address on the router.
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.localDescription . . . . . . . : Broadcom network adapterPhysical Address . . . . . : 00-AA-BB-CC-74-EFDHCP Enabled. . . . . . . : NoAutoconfiguration Enabled . . : YesIPv4 Address. . . . . . . : 192.168.2.102(Preferred)Subnet Mask . . . . . . . : 255.255.255.0Default Gateway. . . . . . : 192.168.1.1DNS Servers . . . . . . . : 192.168.2.20 What is the most likely cause of the problem?
Incorrect IP address
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.localDescription . . . . . . . : Broadcom network adapterPhysical Address. . . . . . : 00-AA-BB-CC-74-EFDHCP Enabled . . . . . . . : NoAutoconfiguration Enabled. . . : YesIPv4 Address . . . . . . . : 192.168.1.102(Preferred)Subnet Mask . . . . . . . : 255.255.255.0Default Gateway. . . . . . . . . : 192.168.2.1DNS Servers. . . . . . . . . . . : 192.168.2.20 What is the most likely cause of the problem?
Incorrect default gateway
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 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.localDescription . . . . . . . : Broadcom network adapterPhysical Address. . . . . . : 00-AA-BB-CC-74-EFDHCP Enabled . . . . . . . : NoAutoconfiguration Enabled. . . : YesIPv4 Address . . . . . . . : 192.168.1.102(Preferred)Subnet Mask. . . . . . . . : 255.255.0.0Default Gateway . . . . . . : 192.168.1.1DNS Servers . . . . . . . : 192.168.1.20192.168.1.27 What is the most likely cause of the problem?
Incorrect subnet mask
Your Windows DHCP server had a default lease time of eight days. However, you have decided to reconfigure this DHCP server to dynamically assign IP addresses to DHCP clients using a lease duration of four days. What impact, if any, will this have on the network? Correct Answer:
Increased network traffic
Which of the following are reasons to configure VLANs on a switch as opposed to using switches without VLANs? (Select two.)
Increased security Increased number of broadcast domains
You have a server at work with a custom application installed. Connections to the server that use the custom application must use IPv6. The server is currently running IPv4. You are 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. 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?
Miredo
Which address type is used for a video conference call consisting of multiple participants?
Multicast
Which of the following address types is shared by multiple hosts and used to form groups of computers that receive the same data stream?
Multicast
Which type of address is the IP address 232.111.255.250?
Multicast
You are configuring a switch so that you can manage it using PuTTY from the same network segment as the switch. On the switch, you enter the following commands: switch#config terminalswitch(config)#interface vlan 1switch(config-if)#ip address 192.168.1.10 255.255.255.0 Will this configuration work?
No, the no shutdowncommand needs to be entered.
Listed below are several DNS record types. Match the record type on the left with its function on the right.
Points a host name to an IPv4 address. A Provides alternate names to hosts that already have a host record. CNAME Points an IP address to a host name. PTR Points a hostname to an IPv6 address. AAAA Identifies servers that can be used to deliver mail. MX
CorpServ is a small company with 14 client systems and a network printer. Because there are only a limited number of networked systems, you decide to use APIPA addressing for the network. With APIPA configured, all systems are able to communicate with each other, but you are having trouble configuring Internet access. What is the likely cause of the problem?
Private addresses cannot directly communicate to hosts outside the local subnet.
You manage a network with two switches. The switches are connected together through their Gigabit Ethernet uplink ports. You define VLAN 1 and VLAN 2 on each switch. A device on the first switch in VLAN 1 needs to communicate with a device on the same switch which is in VLAN 2. What should you configure so that the two devices can communicate? Correct Answer:
Routing
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?
Routing and Remote Access
A switch receives a frame addressed to the MAC address FF:FF:FF:FF:FF:FF. What will the switch do with the frame? Correct Answer:
Send it out all ports except for the port it was received on.
You are configuring the DHCP Relay Agent role on a Windows server. Which of the following is a required step for the configuration? Correct Answer:
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?
Stateless autoconfiguration
Match the IPv6 address configuration method on the right with its definition on the left.
Static Full Assignment The entire 128-bit address and all other configuration information is statically assigned to the host. Static Partial Assignment The prefix is statically assigned, and the interface ID is derived from the MAC address. Stateless Autoconfiguration Clients automatically generate the interface ID and learn the subnet prefix and default gateway through the neighbor discovery protocol (NDP). Stateful DHCPv6 Provides each client with an IP address, default gateway, and other IP configuration information. Stateless DHCPv6 Supplies the client with the DNS server IP address only. Does not provide the client with an IP address, and does not track the status of each client.
Which of the following best describes the purpose of using subnets?
Subnets divide an IP network address into multiple network addresses.
You manage a subnet that uses the subnet address 198.162.1.0/23. Which of the following best describes how addressing is configured for the subnet?
Supernetting
Which of the following connectivity hardware is used to create a VLAN?
Switch
You can create a virtual LAN using which of the following?
Switch
You want to reduce collisions by creating separate collision domains and virtual LANs. Which of the following devices should you choose? Correct Answer:
Switch
When you configure VLANs on a switch, which of the following is used to identify a device's VLAN membership?
Switch port
If dynamic DNS is being used, which of the following events will cause a dynamic update of the host records? (Select two.)
The DHCP server renews an IP address lease. The ipconfig /registerdns command is entered on a workstation.
You have a small network connected to the internet as shown in the Exhibit. You need to configure the default gateway address on Wrk1 so that it can communicate with hosts on the internet. Which address would you use for the default gateway address?
The IP address assigned to Fa0/0 on Router
After installing a new DHCP server on the network, you need to verify that 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 ConnectionPhysical Address. . . . . . . . . : 02-00-4C-4F-3F-50DHCP Enabled. . . . . . . . . . . : YesAutoconfiguration Enabled . . . . : YesAutoconfiguration IPv4 Address. . : 169.254.25.129Subnet Mask . . . . . . . . . . . : 255.255.0.0Default Gateway . . . . . . . . . :DNS Servers . . . . . . . . . . . : Which of the following statements are true? (Select two).
The client system is unable to reach the DHCP server. The client system is configured to use DHCP.
Due to widespread network expansion, you have decided to upgrade the 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 making all 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 would explain the failure?
The clients must be configured to obtain IP addressing from a DHCP server.
Which of the following are true regarding using multiple VLANs on a single switch? (Select two.)
The number of broadcast domains increases. The number of collision domains remains the same.
Which type of address is the IP address 198.162.12.254/24?
Unicast
Which type of address is used in a packet to address the packet to a single host?
Unicast
Which of the following strategies are used to prevent duplicate IP addresses being used on a network? (Select two.)
Use Automatic Private IP Addressing. Install a DHCP server on the network.
You run a small network for your business that has a single router connected to the internet and a single switch. You keep sensitive documents on a computer that you would like to keep isolated from other computers on the network. Other hosts on the network should not be able to communicate with this computer through the switch, but you still need to access the network through the computer. Which of the following should you use in this situation?
VLAN
Your company is a small start-up that has leased office space in a building shared by other businesses. All businesses share a common network infrastructure. A single switch connects all devices in the building to the router that provides internet access. You would like to make sure that your computers are isolated from computers used by other companies. Which feature should you request to have implemented?
VLAN
You manage a network that uses a single switch. All ports within your building connect through the single switch. In the lobby of your building are three RJ45 ports connected to the switch. You want to allow visitors to plug into these ports to gain internet access, but they should not have access to any other devices on your private network. Employees connected throughout the rest of your building should have both private and internet access. Which feature should you implement? Correct Answer:
VLANs
You need to keep users in all other departments from accessing the servers used by the finance department. Which of the following technologies should you use to logically isolate the network?
VLANs
Which of the following terms are often synonymous with or made possible with CIDR? (Select two.)
VLSM and Classless
Which of the following benefits apply only to creating VLANs with switches and not to segmenting the network with regular switches?
You can create multiple broadcast domains.
You are implementing a DHCP server for your segment. Your segment's IP address is 192.168.1.0. Your default gateway address is 192.168.1.254. Your DNS server address is 192.168.1.1. Your default gateway is configured as a NAT router to translate addresses between network segments. You configured the 03 Router option on your DHCP server so it can deliver the IP address of the default gateway to workstations. After configuring your workstations to get their IP addressing information dynamically, your users complain that they are unable to access websites on the internet. How can you resolve this problem?
You must configure your DHCP server with an option that delivers the IP address of the DNS server (Option 06).
Which of the following tools would you use to view the MAC addresses associated with IP addresses that the local workstation has contacted recently? Correct Answer:
arp
Which TCP/IP utility gives you the following output?
arp -a
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?
dig
You need to perform a reverse lookup of the 10.0.0.3 IP address. Which command can you use to accomplish this? (Select two. Each response is a complete solution.)
dig -x 10.0.0.3 nslookup 10.0.0.3
You are troubleshooting a connectivity problem on a Linux server. You are able to connect to another system on the local network, but are not able to connect to a server on a remote network. You suspect that the default gateway information for the system may be configured incorrectly. Which of the following commands would you use to view the default gateway information on the Linux server? Correct Answer:
ifconfig
You work in an office that uses Linux servers and Windows servers. The network uses both the TCP/IP protocol. The Linux server is used as an FTP server. Today you have received several calls from people who are unable to contact the Linux server at its known IP address. You are sitting at the Linux server and want to check its IP address. Which command should you use?
ifconfig
Which command would you use on a switch to enable management from a remote network? Correct Answer:
ip default-gateway 192.168.10.185
You need to configure a Cisco RFC 1542-compliant router to forward any received DHCP frames to the appropriate subnet. The address of the remote DHCP server is 172.16.30.1 Which of the following commands would you use to configure the router?
ip helper-address 172.16.30.1
Which TCP/IP utility gives you the following output?
ipconfig
You have been called in to troubleshoot a connectivity problem on a newly installed Windows Server 2016 system. The system is operating satisfactorily and is able to communicate with other systems on the local network. However it is unable to access any systems on other segments of the corporate network. You suspect that the default gateway parameter for the system has not been configured, or may be configured incorrectly. Which of the following utilities are you most likely to use to view the default gateway information for the system?
ipconfig
Your office has both Windows and Linux computers. You want to be able to view the address of the default gateway that a computer is using. Which of the following utilities could you use? (Select two.)
ipconfig route
Examine the following output: Active ConnectionsProto Local Address Foreign Address StateTCP SERVER1:1036 localhost:4832 TIME_WAITTCP SERVER1:4798 localhost:1032 TIME_WAITTCP SERVER1:1258 pool-141-150-16-231.mad.east.ttr:24076 CLOSE_WAITTCP SERVER1:2150 cpe-66-67-225-118.roc.res.rr.com:14100 ESTABLISHEDTCP SERVER1:268 C872c-032.cpe.net.cale.rers.com:46360 ESTABLISHEDTCP SERVER1:2995 ip68-97-96-186.ok.ok.cox.net:23135 ESTABLISHED Which of the following utilities produced this output?
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?
netstat
Which TCP/IP utility gives you the following output?
netstat -a
Which TCP/IP utility gives you the following output?
netstat -r
Which command displays network activity statistics for TCP, UDP, and IP?
netstat -s
Examine the following output: Server: to.xct.mirrorxhq.netAddress: 209.53.4.130Name: westxsim.comAddress: 64.78.193.84 Which of the following utilities produced this output?
nslookup
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? Correct Answer:
nslookup
You are troubleshooting a network connectivity issue on a Unix system. You are able to connect to remote systems by using their IP address, but unable to connect using the host name. You check the TCP/IP configuration and note 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? (Choose two.)
nslookup dig
Examine the following output. Reply from 64.78.193.84: bytes=32 time=86ms TTL=115Reply from 64.78.193.84: bytes=32 time=43ms TTL=115Reply from 64.78.193.84: bytes=32 time=44ms TTL=115Reply from 64.78.193.84: bytes=32 time=47ms TTL=115Reply from 64.78.193.84: bytes=32 time=44ms TTL=115Reply from 64.78.193.84: bytes=32 time=44ms TTL=115Reply from 64.78.193.84: bytes=32 time=73ms TTL=115Reply from 64.78.193.84: bytes=32 time=46ms TTL=115 Which of the following utilities produced this output?
ping
Which TCP/IP utility gives you the following output?
ping
You work in an office that uses Linux servers and Windows servers. The network uses the TCP/IP protocol. You are sitting at a workstation that uses Windows 10. An application you are using is unable to contact a Windows server named FileSrv2. Which command can you use to determine whether your computer can still contact the server?
ping
While working on a Linux server, you are unable to connect to Windows Server 2016 system across the Internet. You are 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?
traceroute
