Net5Ch5-8
What does the ip address dhcp command allow you to do?
Configure the switch to obtain an IP address from a DHCP server.
You have a TCP/IP network with 50 hosts. There has 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
Which firewall implementation creates a buffer network that can be used to host email or web servers?
DMZ
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
Which of the following tasks do routers perform? (select two.)
Maintain information about paths through an internetwork, Route data based on logical network addresses.
Which TCP/IP utility gives you the following output?
ipconfig
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 Range of first Octet 0-126 Class A 128-191 Class B 192-223 Class C 223-239 Class D 240-255 Class E
Which of the following is a valid IPv4 address? (Select two).
2.2.2.2 172.16.1.26
Which of the following functions are performed by proxies? (Select Two.)
Cache web pages, Block employees from accessing certain websites
Which of the following commands would display the output shown here?
route print
Which TCP/IP utility gives you the following output?
tracert
Your network has been assigned the Class B address of 130.15.0.0. Which of the following is not an address you can assign to a node on your network?
130.16.61.3
Which of the following IP addresses is a valid IP address for a host on a public network?
142.15.6.1
Which of the following is the first IP address that can be assigned to hosts on the 166.70.0.0 network using the default subnet mask?
166.70.0.1
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
Your are configuring the IP address for a host and have been asked to use the address 192.160.99.110/16. What subnet mask value would you use?
255.255.0.0
What is the default subnet mask for the IP address 203.111.3.3?
255.255.255.0
To increase security on your company's internal network, the administrator has disabled as many ports as possible. Now, though you can browse the internet, you are unable to perform secure credit card transactions. Which port needs to be enabled to allow secure transactions?
443
Which of the following tunneling methods is used to send IPv4 traffic through an IPv6 network?
4to6 tunneling
Which of the following does a router acting as a firewall use to control which packets are forwarded or dropped?
ACL
Which of the following is a characteristic of static routing when compared to dynamic routing?
All routes must be manually updated on the router
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.......: 169.254.1.17 Subnet Mask.......: 255.255.0.0 Default Gateway.....: You also check your NIC and see the link light on. What might the problem be?
An unavailable DHCP server
Which of the following routing protocols is used by routers on the internet for learning and sharing routes?
BGP
Which of the following is valid IPv6 address?
FEC0::AB:9007
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?
IP Address and subnet mask
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-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
You manage a network with multiple subnets connected to the internet. A user reports that she can't access the internet. You investigate the problem and find that she can access all hosts on the private network, including subnets, but no hosts on the internet. Which of the following is likely the cause of the problem?
Missing default route on a router
You manage a network with multiple subnets connected to the internet. A user reports that she can't access the new server used in the accounting department. You check the problem and find out that her computer cannot access any server on that subnet. However, the computer does access other computers on other subnets as well as the internet. Which of the following is most likely the cause of the problem?
Missing route on the default gateway router
Which address type is used for a video conference call consisting of multiple participants?
Multicast
Which of the following routing protocols uses relative link cost as the metric?
OSPF
Which of the following associates a port number with a host on a private network?
PAT
Which of the following is a firewall function?
Packet filtering
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 have a small network at home that is connected to the Internet. On your home network you have a server with the IP address of 192.168.55.199/16. All computers on your home network can connect to the internet. From your work office, you try to access your home computer using its IP address, but are unable to communicate with the server. You are able to connect to other hosts on the internet. Why can't you access the server?
Private addresses are not accessible through the internet.
Which of the following protocols has a limit of 15 hops between any two networks?
RIP
Which of the following solutions would you implement to eliminate switching loops?
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 have a small network at home that is connected to the Internet. On your home network you have a server with the IP address of 192.168.55.199/16. You have a single public address that is shared by all hosts on your private network. You want to configure the server as a Web server and allow Internet hosts to contact the server to browse a personal website. What should you use to allow access?
Static NAT
You can create a virtual LAN using which of the following?
Switch
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 Connection Physical Address.......: 02-00-4C-4F-3F-50 DHCP 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).
The client system is configured to use DHCP, The client system is unable to reach the DHCP server.
What information does the next hop entry in a routing table identify?
The first router in the path to the destination network.
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 in VLAN 1. What should you configure to allow communication between these two devices through the switches?
Trunking
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
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 displays network activity statistics for TCP, UDP, and IP?
netstat -s
Mary calls to tell you that she can't connect to an intranet server called WebSrvl. 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. tracert B. nslookup C. nbtstat D. netstat E. arp
nslookup
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
Examine the following output: 4 22 ms 21 ms 22 ms sttlawa01gr02.bb.ispxy.com [154.11.10.62] 5 39 ms 39 ms 65 ms plalca01gr00.bb.ispxy.com [154.11.12.11] 6 39 ms 39 ms 39 ms Rwest.placa01gr00.bb.ispxy.com [154.11.3.14] 7 40 ms 39 ms 46 ms svl-core-03.inet.ispoxy.net [205.171.206.29] 8 75 ms 117 ms 63 ms dia-core-01.inet.ispxy.net [205.151.142.1] Which of the following produced this output?
tracert