1

Which of the following IP addresses have a default subnet mask of 255.255.0.0? (Select all that apply.)

129.0.0.1 191.168.2.15 168.16.5.1

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 three of the following IP addresses are Class B addresses?

132.12.0.0 190.65.2.0 129.0.0.0

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

What is the network address and subnet mask used by APIPA (Select two.)

169.254.0.0 255.255.0.0

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 255.255.192.9 on the 12.17.0.0 network to create four seperate subnets. Which network IDs will be assigned to these subnets in this configuration? (Select two.)

172.17.0.0 172.17.128.0

Which of the following is a valid IPv4 address? (Select two.)

2.2.2.2 172.16.1.26

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

What is the default subnet mask for the IP address 203.111.3.3?

255.255.255.0

Which of the following tunneling methods is used to send IPv4 traffic through an IPv6 network?

4-to-6 tunneling

You are configuring PuTTY to be used to access the CLI of a Cisco switch. Which fo the following configuration values would prevent PuTTY from connecting? (Select two.)

4600 baud Flow control = RTS/CTS

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?

6-to-4

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.

Select the statement that best describes a broadcast storm.

A broadcast storm occurs when there are so many broadcast messages on the network that they approach or exceed the network bandwidth.

A router is configured with the login, no password condition for console access. Which of the following statements is true about access via a Telnet or SSH session?

Access is denied.

A switch running STP is classified as a backup bridge. What state is it in?

Blocking

Which of the following statements describe how VLANs affect broadcast traffic within an internetwork? (Select two.)

Broadcast traffic is transmitted only within a VLAN. Devices on the same VLAN have the same subnet address.

Consider the following IP addresses. 1. 124.77.8.5 2. 131.11.0.9 3. 190.66.250.10 4. 196.5.89.44 Which list represents the IP address class of each listed IP address?

Class A, Class B, Class B, Class C

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

You manage a network with a single switch. On each switch port, a hub connects multiple devices to the switch. Which condition are you most likely to experience on the network?

Collisions

Computers A and B are on the same VLAN and are seperated 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?

Configures the switch to obtain an IP address from a DHCP server

You have a TCP/IP network with 50 hosts. There have been inconsistant 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 protocal 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?

DNS server

Which of the following best describes the concept of a VLAN?

Devices on the same network logically grouped as if they were on sperate networks

Which of the following services automatically creates and deletes host records when an IP address lease is created or released?

Dynamic DNS

Which of the following is a valid IPv6 address?

FEC0::AB:9007

Which organization is responsible for allocating public IP addresses?

IANA

Which protocol does an IP host use to inform a router that it wants to receive specific multicast frames?

IGMP

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 dropdowns, select the appropriate parameters to configure the workstation's TCP/IP settings.

IP Address: 192.168.12.46 Subnet Mask: 255.255.255.240 Default Gateway: 192.168.12.34 DNS Server 198.162.1.22

Which of the following are advantages of using the Spanning Tree Protocol (STP) in network segmented bridges? (Select three.)

Identifies the optimal path between network devices. Prevents switching loops from forming. Lets you provide redundancy by using more than one connection between devices, making your network more reliable.

You recently created a new network segment for Development. 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 actoin to take in order to fix the problem?

Implement an IP Helper address on the router.

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 tha thas 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 adapater Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . : Broadcom network adapter Physical Address . . : 00-AA-BB_CC-74-EF DHCP Enabled . . : No Autoconfiguration Enabled . . : Yes IPv4 Address . . : 192.168.2.102(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?

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 adapater Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . : Broadcom network adapter Physical Address . . : 00-AA-BB_CC-74-EF DHCP Enabled . . : No Autoconfiguration Enabled . . : Yes IPv4 Address . . : 192.168.1.102(Preferred) Subnet Mask . . : 255.255.255.0 Default Gateway . . : 192.168.2.1 DNS Servers . . : 192.168.2.20 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 adapater Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . : Broadcom network adapter Physical Address . . : 00-AA-BB_CC-74-EF DHCP Enabled . . : No Autoconfiguration Enabled . . : Yes IPv4 Address . . : 192.168.1.102(Preferred) Subnet Mask . . : 255.255.0.0 Default Gateway . . : 192.168.1.1 DNS Servers . . : 192.168.1.20 192.168.1.27 What is the most likely cause of the problem?

Incorrect subnet mask

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

A switch running STP is in the listening state. A message is destined for a different network segment arrives at the switch. Which of the following best describes what the switch will do?

It does not record address or segment information. It does not forward the message.

A switch running STP is in the learning state. A message destined for a different network segment arrives at the switch. Which of the following best describes what the switch will do?

It uses the source MAC address and network segment information to build its bridge database, but does not forward the message.

Switches running STP are in the process of exchanging BDPUs and redefining their roles. In what port state are the switches?

Listening

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

A video conference call consisting of multiple participants uses _______________ network transmissions.

Multicast

Which of the following address types is shared by multiple hosts, and is used to form groups of computers that should 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 via PuTTY from the same network segment as the switch. On the switch, you enter the following commands: Switch#config terminal Switch(config)#interface vlan 1 Switch(config-if)#ip address 192.168.1.10 255.255.255.0 Will this configuration work?

No, the no shutdown command needs to be entered

Which statements accurately describe the port states of both bridges and switches? (Select two.)

Ports in a blocked state still receive BPDUs In the learning state, the MAC address table can be populated, but frames are not forwarded.

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 need to configure spanning tree on a Cisco switch. You'd like to use a protocol that conforms to the 802.1w standards. Which protocol should you use?

Rapid PVST+

You manage a netework 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?

Routing

You have a Windows Server 2012 system that you want ot use as a DHCP Relay Agent. Which Windows Server 2012 service would you use to do this?

Routing and Remote Access

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 second switch also in VLAN 1. What should you configure to allow communication between these two devices through the switches?

Routing or Trunking

A switch recieves a frame addressed to the MAC address FF:FF:FF:FF:FF:FF What will the switch do with the frame?

Send it out all ports except for the port it was received on.

Which of the following features dynamically places switch ports in blocking or forwarding states?

Spanning tree

You manage a network that uses multiple switches. You want to provide multiple paths between switches so that if one link goes down, an alternate path is available. Which feature should your switch support?

Spanning tree

You are configuring the DHCP Relay Agent role service on a Windows Server. Which of the following is a required step for the configuration?

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

Which of the following best describes teh purpose of using subnets?

Subnets divide an IP network address into multiple network addresses.

You manage a subnet that uses the following subnet address: 198.162.1.0/23. Which of the following best describes how addressing is configured for the subnet?

Supernetting

A virtual LAN can be created using which of the following?

Switch

You want to reduce collisions by creating seperate collsion domains and virtual LANs. Which of the following devices should you choose?

Switch

When configuring VLANs on a switch, what is used to indentify VLAN membership of a device?

Switch port

Which of the following statements accurately describes a VLAN ID?

Switches append a VLAN ID to the header of each frame to identify the virtual network to which it belongs?

What problem does the Spanning Tree Protocol prevent?

Switching loops form developing when redundant paths are implemented between switches.

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 /release 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 Router1

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 XP client system and using the ipconfig command, receive the following information: Ethernet adapter Local Area Connection 1: Description . . : CardBus-II 10/100 PC Card Physical Address . . : 02-00-4C-4F-3F-50 DHCP Enabled . . : Yes Autoconfiguration Enabled . . : Yes Autoconfiguration IP Address . . : 169.254.25.129 Subnet Mask . . : 255.255.0.0 Default 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 for the network. The network uses Linux, Windows, adn Mac OS X client systems. You configure the server to distribute IP addresses from 192.168.2.1 to address 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 collision domains remains the same. The number of broadcast domains increases.

When configuring VLANs on a switch, what type of switch ports are members of all VLANs defined on the switch?

Trunk ports

You manage a single subnet with three switches. The switches are connected to provide redundant paths between the switches. Which feature allows the switches to pass VLAN traffic between the switches?

Trunking

Which of the following are characteristics of Teredo tunneling? (Select three.)

Tunnel endpoints configured on hosts Works through NAT Dual stack hosts

You administer a network with Windows 2000 and UNIX servers, and Windows 2000 Professional, Windows 98, and Macintosh clients. A user of a Windows 98 computer calls you one day and says he is unable to access resources on the network. You type ipconfig in 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 the link light on. What might the problem be?

Unavailable DHCP server

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 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 RJ-45 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?

VLANs

You need to keep all 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

You have configured your organization's DHCP server to dynamically assign IP addresses to DHCP clients using a lease duration of four days. A user's workstation is powered on and receives addressing information from this DHCP server Monday morning at 8:00 AM. When will the client contact the DHCP server to renew the lease (by default)?

Wednesday Morning

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 workstatoins. After configuring your workstations to get their IP addressing information dynamically, your users complain that they are unable to access websites from the Internet. How can you resolve this problem?

You must configure your DHCP sever with an option that delivers the IP address of the DNS server (Option 06)

Which TCP/IP utility gives you the following output? Interface: 192.168.4.101 on Interface 0x3 Internet Address Phyiscal Address Type 192.168.1.23 00-d1-b6-b7-c2-af dynamic

arp

Which of the following tools would you use to view the MAC addresses associated with IP addresses that the local workstation has contacted recently?

arp

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 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 hostname. 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.)

dig nslookup

You want to be able to view the DNS server address that a computer is using. Which of the following utilities would you use? (Select two.)

ifconfig ipconfig

Which command would you use on a switch to enable management from a remote network?

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 be used to configure the router?

ip helper-address 172.16.30.1

You have been called in to troubleshoot a connectivity problem on a newly installed Windows Server 2003 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

You administer a NetBIOS-based network that uses the TCP/IP protocol. You are trying to troubleshoot a computer that is unable to contact a server by its NetBIOS name. Which command can you use to check the connection

nbtstat

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 command displays network activity statistics for TCP, UDP, and IP?

netstat -s

Examine the following output: Server: helicuplar.xct.takro.net Address: 209.53.4.130 Name: westsim.com Address: 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 WevSrv1. 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?

nslookup

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.)

nslookup 10.0.0.3 dig -x 10.0.0.3

You work in an office that uses NetWare servers and Windows NT 4.0 servers. The network uses both the TCP/IP and IPX/SPX protocols. You are sitting at a workstation that uses Windows 95 OSR2. An application you are using is unable to contact a Windows NT 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 2003 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