Network Pro study
What is the binary format for the following decimal IP address? 131.9.202.111
10000011.00001001.11001010.01101111
Match each decimal value on the left with the corresponding hexadecimal value on the right. Not all decimal values have a corresponding hexadecimal value.
11 - 17 B - 11 D - 13 F - 15 C - 12 10 - 16
What is the decimal format of the following binary IP address? 11001110.00111010.10101010.01000011
206.58.170.67 To find the decimal form of a binary number, add up each decimal equivalent for each 1 bit in the address. For example, the equation for the number 11001110 is128 + 64 + 8 + 4 + 2 = 206.
Match the networking function or device on the left with its associated OSI model layer on the right.
Application-HTTP Presentation-ASCII Session-Session ID number Transport-Port numbers Network-Router Data Link-Switch Physical-Modem
Which of the following topologies connects all devices to a trunk cable?
Bus
Which of the following tasks is associated with the Session layer?
Connection establishment
What is the basic purpose of the OSI Physical layer?
Coordinates rules for transmitting bits.
You are building network cables and attaching RJ45 connectors to each end. Which tool do you need for this task?
Crimping tool
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
In the OSI model, which of the following functions are performed at the Presentation layer? (Select two.)
Encrypt and compress data Specify data format (such as file formats)
Which of the following functions are performed by the OSI Transport layer? (Select three.)
End-to-end flow control Data segmentation and reassembly Reliable message delivery
You have a network that occupies both floors of a building. The WAN service provider has installed the line for the WAN service in a wiring closet on the main floor. You have a second wiring closet on the second floor directly above the wiring closet that holds the demarc. Which of the following terms describes the closet on the second floor?
IDF
Which of the following protocols stores email on the mail server and allows users to access messages from various client devices without having to download the emails?
IMAP4
You are asked to recommend an email retrieval protocol for a company's sales team. The sales team needs to access email from various locations and possibly different computers. The sales team does not want to worry about transferring email messages or files back and forth between these computers. Which email protocol is designed for this purpose?
IMAP4
Which of the following protocols stores email on the mail server and allows users to access messages from various client devices without having to download the emails?
IMP4
Which of the following are included as part of Data Link layer specifications? (Select two.)
Identifying physical network devices. Controlling how messages are propagated through the network.
Which pins in an RJ45 connector are used to transmit data when used on a 100BaseT Ethernet network? (Select two.)
Pin 1 Pin 2
You need to terminate a Cat 6 UTP cable with an RJ45 connector. Your organization's IT policy states that all cable connectors must be wired according to TIA568A standards. Drag the UTP wire on the left to the correct pin in the RJ45 connector on the right.
Pin 1-White with green stripe Pin 2-Solid green Pin 3-White with orange stripe Pin 4-Solid blue Pin 5-White with blue stripe Pin 6-Solid orange Pin 7-White with brown stripe Pin 8-Solid brown
You need to terminate a Cat 6 UTP cable with an RJ45 connector. Your organization's IT policy states that all cable connectors must be wired according to TIA568B standards. Drag the UTP wire on the left to the correct pin in the RJ45 connector on the right.
Pin 1-White with orange stripe Pin 2-Solid orange Pin 3-White with green stripe Pin 4-Solid blue Pin 5-White with blue stripe Pin 6-Solid green Pin 7-White with brown stripe Pin 8-Solid brown
You are adding new wires in your building for some new offices. The building has a false ceiling that holds the lights and provides an air path for heating and air conditioning. You would like to run your Ethernet cables in this area. Which type of cable must you use?
Plenum rated cable
Match each layer of the TCP/IP model on the left with the corresponding layer of the OSI model on the right. Each option on the left can be used more than once.
Presentation-Application Data Link-Network Access Application-Application Session-Application Network-Internet Transport-Host-to-Host
You are working with 25 pair wires and 66 blocks. You have pushed the wires onto the 66 block, but now you need to cut off the excess end of each wire. Which tool should you use?
Punch down tool
You have a small home network connected to the internet using an RG-6 cable. You need to move the router connecting the network to the internet, but can't find any RG-6 cable. Which cable types could you use instead?
RG-59
F-type connectors are typically used with which of the following cable standards? (Select two.)
RG-59 RG-6
Which of the following cables offers the best protection against EMI?
RG-6
Which of the following connector types would you most likely use to connect to a T1 WAN service?
RJ48c
In which of the following topologies does each device on the network act as a repeater, sending the signal to the next device?
Ring
Which of the following topologies connects each device to a neighboring device?
Ring
Which of the following connectors is used with Ethernet 100BaseT networks?
Rj45
In the OSI model, what is the primary function of the Network layer?
Routes messages between networks
Which of the following connectors usually require polishing as part of the assembly process? (Select two.)
SC ST
What protocol sends email to a mail server?
SMTP
Your company has just acquired another company in the same city. You need to integrate the two email systems so that messages can be exchanged between the email servers. Currently, each network uses an email package from a different vendor. Which TCP/IP protocol will enable message exchange between systems?
SMTP
Your company has just acquired another company in the same city. You need to integrate the two email systems so that messages can be exchanged between the email servers. Currently, each network uses an email package from a different vendor. Which TCP/IP protocol will enable message exchange between systems?
SMTP
Which of the following connectors is used with fiber optic cables and requires that you use a twisting motion to connect it?
ST
During TCP/IP communications between two network hosts, information is encapsulated on the sending host and decapsulated on the receiving host using the OSI model. Match the information format on the left with the appropriate layer of the OSI model on the right. (Not all layers have a matching information format.)
Session Layer- Transport Layer- Segments Network Layer-Packets Data Link Layer-Frames Physical Layer-Bits Upper layers prepare the data to be sent through the network. The Transport layer breaks the data into pieces called segments, adding sequencing and control information. The Network layer converts the segments into packets, adding logical network and device addresses. The Data Link layer converts the packets into frames, adding physical device addressing information. The Physical layer converts the frames into bits for transmission across the transmission media
Which type of optical fiber is normally used to connect two buildings that are several kilometers apart?
Single-mode
Of the following cables, which offer the best protection against EMI?
Single-mode fiber optic
Which of the following topologies connects each network device to a central hub?
Star
You have a small network that uses a switch to connect multiple devices. Which physical topology are you using?
Star
What device is used to create a physical star topology?
Switch
Which of the following protocols includes extensive error checking to ensure that a transmission is sent and received without mistakes?
TCP
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
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
You have been asked to document the wiring in your building. You would like to identify the length of each Cat5 cable to verify that it meets Ethernet standards. You need to identify the length of the cables, but most cables run through walls and ceilings, making them difficult to trace. Which tool should you use?
TDR
Why might you use an RJ11 connector?
You want to connect your computer to the internet with a DSL modem.
Which recommendation should you follow while using 110 blocks for connecting Cat 5 and higher data cables?
Keep wire pairs twisted up to within one-half of an inch of the connector.
Which of the following connectors are used with fiber optic cables and include both cables in a single connector? (Select two.)
LC MTRJ
You have implemented an ad hoc wireless network that doesn't employ a wireless access point. Every wireless network card can communicate directly with any other wireless network card on the network. What type of physical network topology has been implemented in this type of network?
Mesh
You want to implement a fault tolerant topology as you connect routers on your wide area network. Which of the following topologies meets your needs?
Mesh
Your manager has asked you to implement a network infrastructure that will accommodate failed connections. Which of the following network topologies provides redundancy for a failed link?
Mesh
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.
You have a network that uses a logical ring topology. How do messages travel through the network?
Messages travel from one device to the next until they reach the destination device.
Which of the following geographic network types are typically managed by a city as a public utility?
Metropolitan area network (MAN)
Which of the following functions are performed at the Physical layer of the OSI model?
Moving data across network cables
You want to measure the voltage, amps, and ohms of various devices. Which tool should you use?
Multimeter
You have a large TCP/IP network and want to keep a host's real time clock synchronized. What protocol should you use?
NTP
You are installing networking wiring for a new Ethernet network at your company's main office building. The project specifications call for Cat 5e UTP network cabling and RJ45 wall jacks. Near the end of the project, you run out of wire before the last few runs are complete. You have a spool of Cat 3 network cable in storage. Upon investigation, it appears very similar to Cat 5e wiring. Should you use Cat 3 cabling as a substitute for Cat 5e cabling to finish the project?
No. Cat 5e cabling has more twists per inch than Cat 3 cabling, reducing cross-talk and supporting higher data rates.
What device is used to create a physical star topology?
switch
Which OSI model layer is responsible for guaranteeing reliable message delivery?
Transport
You have implemented a network where hosts are assigned specific roles, such as file sharing and printing roles. Other hosts access those resources, but do not host services of their own. What type of network do you have?
Client-server
You are working with an older 10Base2 Ethernet network. Which of the following connector types will you most likely encounter?
BNC
Which of the following geographic network types is made up of an interconnection of LANs?
Campus Area Network (CAN
Which of the following cable types often includes a solid plastic core that keeps the twisted pairs separated?
Cat 6
You manage a network that uses 1000BaseT Ethernet. You find that one device communicates on the network at only 100 Mbps. Which tool should you use to test the drop cable and the connection to the network?
Certifier
Which of the following describes the point where the service provider's responsibility to install and maintain wiring and equipment ends, and the customer's responsibility begins?
Demarc
You have just signed up for a broadband home internet service that uses coaxial cable. Which connector type will you most likely use?
F-type
Which protocol is used on the World Wide Web to transmit web pages to web browsers?
HTTP
Which protocol is used to securely browse a website?
HTTPS
Which of the following protocols allows hosts to exchange messages to indicate problems with packet delivery?
ICMP
Which of the following are advantages of using fiber optic cabling for a network? (Select two.)
Immunity to electromagnetic interference Greater cable distances without a repeater
You are a network technician for a small corporate network. Today you moved an unused workstation to the IT Administration office, and now you need to connect the computer to the Ethernet local area network and the internet. In this lab, your task is to connect the workstation to the wired network as follows: In the Networking Closet, use the appropriate twisted pair cable to make a connection between the patch panel and switch. Use port IT Adm on the patch panel. Use port 5 on the switch In the IT Administration office:Connect the ITAdmin workstation to the local area network using the appropriate twisted pair cable.Configure ITAdmin to obtain IP and DNS addresses automatically from the server on the local network.Use the Network and Sharing Center to confirm that the workstation is properly connected to the local area network and the internet.
In the Networking Closet, connect the patch panel and switch as follows: On the Shelf, expand Cables. Select the Ethernet twisted pair cable. In the Selected Component pane, drag the connector to the IT Adm port on the patch panel. In the Selected Component pane, drag the other connector to port 5 on the switch (top row, fifth column from the left). Connect the ITAdmin workstation to the local area network as follows: From the navigation menu at the top, select Floor 1 Overview. In the IT Administration office, select Hardware. Above the computer, select Back to switch to the back view of the computer. On the Shelf, expand Cables. Select the Ethernet twisted pair cable. In the Selected Component pane, drag the connector to the Ethernet port on the computer. In the Selected Component pane, drag the other connector to the Ethernet port on the wall outlet. Configure the workstation to obtain IP and DNS addresses automatically from the server on the network as follows On the ITAdmin monitor, select Click to view Windows 10. In the notification area, right-click the Network icon and select Open Network and Sharing Center. The Network and Sharing Center should indicate a bad connection to the internet. Select Ethernet. Select Properties. Select Internet Protocol Version 4 (TCP/IPv4). Select Properties. Select Obtain an IP address automatically. Select Obtain DNS server address automatically. Click OK. Click Close. Click Close. Open the Network and Sharing Center to confirm the connection to the network and the internet for the workstation. The Network and Sharing Center should indicate an active connection to the local network and the internet.
You are a network technician for a small corporate network. You recently made a patch panel connection for the workstation in the IT Administrator Office. In order to connect workstations in other offices, you need to connect patch cables between the patch panel and the switch. In this lab, your task is to connect the patch cables indicated in the following table:
In the Networking Closet, do the following: On the Shelf, expand Cables. Select the Cat5e cable. In the Selected Component window, drag the connector to the Exec 1 port on the patch panel. In the Selected Component window, drag the other connector to port 1 on the Cisco switch (top row, first column on the left). Repeat steps 2-4 for the Lobby and Supp ports.
In the OSI model, which of the following functions are performed at the Application layer? (Select all that apply.)
Integrating network functionality into the host operating system Enabling communication between network clients and services
Which of the following are functions of the MAC sublayer? (Select two.)
Letting devices on the network have access to the LAN Defining a unique hardware address for each device on the network
The UDP transport protocol provides which of the following features? (Select all that apply.)
Low overhead Connectionless datagram services
The Data Link Layer of the OSI model is comprised of two sublayers. What are they? (Select two.)
MAC LLC
Which of the following terms identifies the wiring closet in the basement or a ground floor that typically includes the demarcation point?
MDF
You want to use the T568B standard for adding connectors to your Cat5 cable. Starting with pin 1, which order should you use for the wires within the connector?
White/orange, orange, white/green, blue, white/blue, green, white/brown, brown
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
You have implemented a network where each device provides all other devices on the network with access to shared files. What type of network do you have?
Peer-to-peer
You work as the IT administrator for a growing corporate network. You are in the process of creating an iSCSI storage area network (SAN) on the CorpiSCSI server. The server is currently connected to the network using an Ethernet cable. To increase the server's performance, you have decided to replace the existing Ethernet connection with a fiber optic connection. In this lab, your task is to complete the following: Connect the CorpiSCSI server to the switch using the appropriate fiber optic cable.Examine the port types on the switch.Examine the server's fiber optic NIC. When connecting the server, use the color coding on the end of the fiber optic cable to identify the Tx and Rx connection ends.Connector A (red) is Tx.Connector B (black) is Rx. Remove the server's previous Ethernet network connection and place the Ethernet cable on the Shelf. Verify that the server is connected to the network through the fiber optic connection.
On the Shelf, expand the Cables category. Drag the ST to LC fiber cable to the SFP 1 LC port on the switch. In the Select Connector window, select the LC connector. Above the rack, select Back to switch to the back view. In the Selected Component pane, drag the ST Connector (A) to the Tx port on the CorpiSCSI server (the bottom server). In the Selected Component pane, drag the ST Connector (B) to the Rx port on the CorpiSCSI server. Disconnect the Cat5e Cable from the CorpiSCSI server as follows:Drag the RJ45 connector from the back of the server to the Shelf.Click the Front button above the rack.Drag the highlighted RJ45 connector from the switch to the Shelf. On the CorpiSCSI's monitor, select Click to view Windows Server 2016 (right-most monitor). In the notification area, right-click the Network icon and select Open Network and Sharing Center. Select Change adapter settings. Verify that Ethernet 3 is connected to CorpNet.com. Click Done to finish the lab.
You are working on a small network. You have just signed up for cable internet access for the network. The cable company has installed the line in your home and given you a preconfigured modem for your network In this lab, your task is to: Connect the components to make the internet connection.Add the cable modem to the Workspace.Connect the modem to the WAN connection using the cable with the least amount of signal loss.Connect the computer to the cable modem using a 10/100 Mbps Ethernet connection.Use the AC to DC power adapter to plug in the modem. Use the Network and Sharing Center in Windows to confirm that the Home-PC computer is properly connected to the internet.
On the Shelf, expand the Modems category. Drag the cable modem from the Shelf to the Workspace. Select Back to switch to the back view of the cable modem. On the Shelf, expand the Cables category. Select the RG-6 coaxial cable. In the Selected Component window, drag a connector to the port on the cable modem. In the Selected Component window, drag the other connector to the port on the wall plate. Over the computer, select Back to switch to the back view of the computer to connect the computer to the cable modem. On the Shelf, select the Cat5e Ethernet cable. In the Selected Component window, drag a connector to the Ethernet port on the cable modem. In the Selected Component window, drag the other connector to the Ethernet port on the computer. Select the power adapter on the Shelf to plug in the cable modem. In the Selected Component window, drag the DC power connector to the port on the cable modem. In the Selected Component window, drag the AC adapter end to the power outlet. Select Click to view Windows 10 on the monitor. In the notification area, right-click the Network icon and select Open Network and Sharing Center. The diagram should indicate an active connection to the home network and the internet.
Which of the following TCP/IP protocols do email clients use to download messages from a remote mail server?
POP3
Your manager has asked you to implement a wired network infrastructure that will accommodate failed connections. You don't have a large budget, so you decide to provide redundancy for only a handful of critical devices. Which of the following network topologies should you implement?
Partial mesh
Which of the following is used to terminate individual wires from a 25 pair or 100 pair cable using female RJ45 ports?
Patch panel
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.
Which of the following are characteristics of coaxial network cable? (Select three.)
The ends of the cable must be terminated. It uses two concentric metallic conductors. It has a conductor made from copper in the center of the cable.
Which of the following are characteristics of an LC fiber optic connector? (Choose two.)
They are half the size of standard connectors. They use a housing and latch system similar to an RJ45 UTP connector.
Which of the following are characteristics of an MTRJ fiber optic connector? (Select two.)
They can be used with multi-mode fiber optic cables. They use metal guide pins to ensure accurate alignment.
You are a network technician for a small corporate network. The company owner has asked you to connect a new workstation to the network while a new employee is in an orientation meeting. In this lab, your task is to: Connect the workstation in Office 1 to the Ethernet local area network using twisted pair cable. Confirm that the Office 1 workstation is connected to the local network and the internet.
Under Office 1, select Hardware to go to the workstation. Above the computer, select Back to switch to the back view of the computer. On the Shelf, expand the Cables category. Select the RJ45 cable. In the Selected Component window, drag and drop the connector to the Ethernet port on the computer. In the Selected Component window, drag the other connector to the Ethernet port on the wall outlet. Select Click to view Windows 10 on the monitor to confirm that the workstation has a connection to the local network and the internet. In the notification area, right-click the Network icon and select Open Network and Sharing Center. The diagram should indicate an active connection to the network and the internet.
In this lab, your task is to complete following: Install the PCIe network adapter in a free PCIe (x1) slot. Install the PCI network adapter in a free PCI slot. After you install the network adapters, turn the computer back on. Install the networking cable between the wall plate and the computer When you make the connection to the wall plate, use the port with the computer symbol embossed on the red box. This is the network port in Office 2. When you make the connection to the computer, use the built-in network adapter on the motherboard or one of the recently installed network adapters in the expansion slots. In the Networking Closet, complete the following:Remove the power cable from the wall plate. (This is the rack-mounted UPS power cable.)Ensure that the power and activity lights for the rack-mounted networking devices are still on and flickering.
Under Office 2, select Hardware to go to the workstation. Above the computer, select Motherboard to switch to the motherboard view of the computer. Read the warning and select Yes to turn the computer off. Install the network adapters as follows: On the Shelf, expand Network Adapters. Examine each expansion card. If necessary, select Details to get a larger view of the expansion card. In the Details window, compare the tab size on the card with the slot on the motherboard. To install a card, drag the PCIe card from the Shelf to a free slot on the motherboard. To install a card, drag the PCI card from the Shelf to a free slot on the motherboard. Connect the computer to the wall plate as follows: Above the computer, select Back to switch to the back view of the computer. On the Shelf, expand Cables. Select the Networking Cable. In the Selected Component pane, drag the connector to any of the network adapter ports on the computer. In the Selected Component pane, drag the other connector to the network port on the wall outlet. Above the computer, select Front. Click the power button on the computer. The computer startup process begins, and you are automatically taken to the startup screen view. Right-click Start and select Control Panel to explore the capabilities of the operating system simulator. In the navigation path at the top, select Floor 1. Under Networking Closet, select Hardware. Unplug the AC power connector (Male) away from the wall plate's AC outlet. Observe the power and activity lights on the rack-mounted networking devices to ensure that they are still flickering (zoom in if necessary). Click Done to finish the lab and see the score report.
Which of the following methods would you use to create a crossover cable?
Use the T568A standard on one connector and the T568B standard on the other connector.
You have a network that occupies all three floors of a building. The WAN service provider has installed the line for the WAN service into the building in a wiring closet on the main floor. You have a wiring closet on the two remaining floors directly above the wiring closet on the main floor. What would you use to connect the wiring closets together?
Vertical cross connect
When would you typically use an RJ11 connector?
When connecting a phone to a phone line
