Networking 1 Final Exam Prep

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

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

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

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?

Increased network traffic

Which of the following best describes how a switch functions?

It connects multiple cable segments (or devices) and forwards frames to the appropriate segment.

Which of the following statements accurately describes how a modem works? (Select two.)

It modulates digital data from the PC into analog data and transmits it on a telephone network. It demodulates analog data from a telephone network into digital PC data.

Which of the following are characteristics of coaxial network cable? (Select three.)

It uses two concentric metallic conductors, The ends of the cable must be terminated., It has a conductor made from copper in the center of the cable.

You have a network that uses a logical bus topology. How do messages travel through the network?

Messages are broadcast to all devices connected to the network.

Which of the following geographic network types are typically managed by a city as a public utility?

Metropolitan area network (MAN)

You are an application developer, and you are writing a program for exchanging video files through a TCP/IP network. You need to select a transport protocol that will guarantee delivery. Which TCP/IP protocol provides this capability?

TCP

Which of the following hardware devices links multiple networks and directs traffic between networks?

Router

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

An eight-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switch do?

Send the frame out ports two through eight.

You want to implement an Ethernet network at very long distances using fiber optic cables. Which standard and cable type would you choose? (Select two.)

Single-mode fiber, 1000BaseLX

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.

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 it belongs to.

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.

Which topologies is a CAN able to use? (Select three.)

Bus, Ring, Star

Which of the following physical topologies are used with Ethernet networks? (Select two.)

Bus, Star

Which of the following protocols allows hosts to exchange messages to indicate problems with packet delivery?

ICMP

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

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

255.255.0.0, 169.254.0.0

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

4to6 tunneling

What is the binary format for the following decimal IP address? 131.9.202.111

10000011.00001001.11001010.01101111

Which of the following Ethernet standards uses fiber-optic cabling? (Select two.)

100BaseFX, 1000BaseLX

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.

Which of the following tasks is associated with the Session layer?

Connection establishment

You are building network cables and attaching RJ45 connectors to each end. Which tool do you need for this task?

Crimping tool

You need to connect two switches using their uplink ports. The switches do not support auto-MDI. Which type of cable should you use?

Crossover

You need to transfer data from one laptop to another, and you would like to use an Ethernet cable. You do not have a hub or a switch. Which type of cable should you use?

Crossover

You are the administrator of your company's network. You want to prevent unauthorized access to your intranet from the internet. Which of the following should you implement?

Firewall

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 functions are performed by the OSI Transport layer? (Select three.)

Data segmentation and reassembly, Reliable message delivery, End-to-end flow control

You have a cable internet connection at home. The installer had connected the router near the outside wall of your house with RG6 cable. You move the cable router a distance of 50 meters using RG8 cables and special connector adapters. Which condition are you most likely to experience?

Echo

Which address type is used for a video conference call consisting of multiple participants?

Multicast

Which type of address is the IP address 232.111.255.250?

Multicast

You have a network connected using a physical bus topology. One of the cables that connects a workstation to the bus breaks. Which of the following best describes what effect this will have on network communications?

No devices will be able to communicate.

You are working with an existing fiber optic installation in your building. You want to know the length of each cable that runs through the walls. Which tool should you use?

OTDR

Which pins in an RJ45 connector are used to transmit data when used on a 100BaseT Ethernet network? (Select two.)

Pin 1, Pin 2

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.

Which of the following connector types would you most likely use to connect to a T1 WAN service?

RJ48c

Which of the following solutions would you implement to eliminate switching loops?

Spanning tree

You are configuring the DHCP Relay Agent role 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 have a small network that uses a switch to connect multiple devices. Which physical topology are you using?

Star

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 is true about single-mode fiber optic network cabling?

The central core is smaller than standard multi-mode fiber optic cabling core.

A network is connected following the IEEE 802.3 specifications. Which of the following best describes when a device can transmit messages?

The device listens to determine if the transmission media is free.

While viewing the status of the interfaces on a Cisco switch, you see an abnormally large number of oversized Ethernet frames being received on one interface. This interface is connected to a workstation located on the second floor. What could cause this to happen?

The workstation's network board is jabbering.

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?

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

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

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 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