Network+ Domain: Infrastructure
Your network follows the 100BaseTx specifications for Fast Ethernet. What is the maximum cable segment length allowed?
100 meters
Which of the following does not accurately describe an iSCSI SAN?
Can be implemented on a standard production network with other network traffic.
You need to transfer data from one laptop to another and 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 manage a network with three dedicated storage devices, as shown in the diagram. Users on the network see only a single file server. Which network-based storage technology is being used? (Picture)
NAS with clustering
Which of the following cables offers the best protection against EMI?
RG-6
Why might you use an RJ11 connector?
You want to connect your computer to the internet with a DSL modem.
Which of the following are characteristics of an MTRJ fiber optic connector? (Select two)
•They use metal guide pins to ensure accurate alignment •They can be used with multi-mode fiber optic cables.
Consider the 850 nm multimode fiber optic cable shown below. How much loss can you expect between the transmitter and the receiver?
-1.2 dB
You have been tasked with designing a high-speed Ethernet network. Your client's building already has 150-ohm shielded twisted pair (STP) wiring installed. Due to budget constraints, they have asked you to reuse the existing wiring instead of installing new fiber optic cabling. Which Ethernet standard could implement this situation?
1000BaseCX
Which Gigabit Ethernet standard can support long network segments up to a maximum of 5 km when used with single mode fiber-optic cable?
1000BaseLX
Which Gigabit Ethernet standard uses multimode fiber-optic cabling and supports network segments up to a maximum of 550 m long?
1000BaseSX
Which of the following uses metal clips placed over plastic slots to connect individual copper wires?
110 block
You are planning a network for an educational campus. Due to the size of the buildings and the distance between them, you have elected to use 10BaseFL hubs, cabling, and network interface cards. What is the maximum length for the network cable between a workstation and a hub?
2000 meters
Your network follows the 100BaseTx specifications for Fast Ethernet and uses half-duplex multi-mode cable. What is the maximum cable segment length allowed?
412 meters
In virtualization, what is the role of the hypervisor?
A hypervisor allows virtual machines to interact with the hardware without going through the host operating system.
While viewing the status of the interfaces on a Cisco switch, you see an abnormally large number of CRC errors on one interface. This interface is connected to a user's workstation located in a cubicle on the second floor. What could cause this to happen?
A strong EMI emitter near the cable run connected to that interface.
A host wants to send a message to another host that has the IP address 115.99.80.157. IP does not know the hardware address of the destination device. Which protocol can be used to discover the MAC address?
ARP
You are implementing a SOHO network for a local business. The ISP has already installed and connected a cable modem in the business. The business has four computers that need to communicate with each other and the Internet. The ISP's cable modem has only one RJ45 port. You need to set up the network with the following in mind: • Spend as little money as possible. • Do not purchase unnecessary equipment. • Computers need to have a gigabit connection to the network. • New devices should not require management or configuration. You examine each computer and notice only one of the four computers has a wireless NIC; they all have Ethernet NICs. What should you purchase?
An unmanaged switch and CAT 5e cabling.
Which type of polish grade uses green-colored connectors to help prevent using the wrong connector type?
Angled Physical Contact (APC)
You need to replace a fiber optic cable that is connecting two switches together. You inspect the existing fiber cable and determine that it uses LC connectors. You also notice the cable's ferrule has a slight slant to it. Which polish grade should you use to replace the existing cable?
Angled Physical Contact polish
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 is a valid MAC address?
C0-34-FF-15-01-8E
You are making Ethernet drop cables using Cat5e cable and RJ45 connectors. You need to remove the plastic coating over the cable to expose the individual wires. Which tool should you use?
Cable stripper
What is the minimum cable specification that supports 1000 Mbps Ethernet?
Cat 5e
Which of the following cable types often includes a solid plastic core that keeps the twisted pairs separated?
Cat 6
Which type of cabling is used with 100BaseTX Fast Ethernet networks?
Cat5 or higher
You want to create a loopback plug using a single RJ-45 connector. How should you connect the wires in the connector?
Connect pin 1 to pin 3 and pin 2 to 6
You want to create a rollover cable that has an RJ-45 connector on both ends. How should you connect the wires within the connectors?
Connect pin 1 to pin 8, pin 2 to pin 7, pin 3 to pin 6, and pin 4 to pin 5
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 want to connect the LAN port on a router to the uplink port on a switch. The switch does not support auto-MDI. Which type of cable should you use?
Crossover
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 a network that occupies the top floor of a three-story building. The WAN service provider has installed the line for the WAN service in a wiring closet on the main floor. What would you use to relocate the WAN line into a wiring closet on your floor?
Demarc extension
You have just signed for a broadband home internet service that uses coaxial cable. Which connector type will you most likely use?
F-type
Ethernet 100BaseFX networks use what type of cabling?
Fiber optic
What type of virtualization completely simulates a real physical host?
Full virtualization
You have a network that occupies all three 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 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
At which OSI model layer does a media converter operate?
Layer 1
Which of the following terms identifies the wiring closet in the basement or a ground floor that typically includes the demarcation point?
MDF
What key advantage does a virtual router have over a physical router?
Multiple networks can be connected to a single interface.
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.
Which of the following is used to terminate individual wires from a 25 pair or 100 pair cable using female RJ45 ports?
Patch panel
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
What tool should you use to extend network services beyond the demarc?
Punch down tool
You are working with 25 pair wires and 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. Which cable types could you use instead?
RG-59
Which of the following connectors is used with Ethernet 100BaseT networks?
RJ45
Which of the following connector types would you most likely use to a T1 WAN service?
RJ48c
Which of the following standards is typically used in rollover cable?
RS232
You have purchased a new router that you need to configure. You need to connect a workstation to the router's console port to complete the configuration tasks. Which type of cable would you most likely use?
Rollover
Which of the following connectors is used with fiber optic cables and requires that you use a twisting motion to connect it?
ST
Which of the following connectors is typically used on one end of a rollover cable?
Serial
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
Arrange the Fibre Channel SAN implementations tasks in the order they should be performed.
Step 1= Install two Fiber Step 2= Deploy two FC switches Step 3= Using fiber optic cables, connect...(1x) Step 4=Deploy the shared storage devices..., Using fiber optics, connect...(2x)
You need to connect a workstation to a switch using a regular port on the switch (not an uplink port). The switch does not sport auto-MDI. Which type of cable should you use?
Straight-through
Which of the following is true about single-mode fiber network cabling?
The central core is smaller than standard multi-mode fiber optic cabling core.
Which device sends signals from a computer onto a network?
Transceiver
You are troubleshooting a connectivity problem in which one client system is unable to connect to a server. Both the server and client system are connected to the Ethernet network switch. No other users have complained of a problem, and you suspect that faulty network cabling might be to blame. Which of the following troubleshooting steps are you most likely to perform first?
Use a cable tester to test the cable between the computer system and the network switch.
Which of the following methods would you use to create a crossover cable?
Use the T568A 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
You need to provide DHCP and file share services to a physical network. These services should be deployed using virtualization. Which type of virtualization should you implement?
Virtual servers
Which component is most likely to allow physical and virtual machines to communicate with each other?
Virtual switch
When would you typically use an RJ11 connector?
When connecting a phone to a phone line.
You are connecting Cat 5e cables to a 110 block. What order should you connect the wires in to follow standard wiring conventions?
White/blue, blue, white/orange, orange, white/green, green, white/brown, brown
You want to use the T568A standard for add connectors to your Cat5 cable. Starting with pin 1, which order should you use for the wires within the connector?
White/green, green/white, blue, white/blue, orange, white/brown, brown
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 in the process of configuring an iSCSI storage area network (SAN) for your network. You want to configure a Windows Server 2016 to connect to an iSCSI security settings, including CHAP and IPsec. Which tool should you use?
iSCSI
In a SAN implementation, the servers that connect to shared storage devices are called _____.
initiators
You need to terminate a Cat 6 UTP 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 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 have configured a virtual network which includes the following virtual components Four virtual machines (i.e., Virtual OS1,Virtual OS2,etc.) One virtual switch The virtual switch is connected to a physical network to allow the virtual machines to communicate with the physical machines out on the physical network. Given the port configuration for the virtual switch and the physical switch in the table below, click on all of the virtual and physical machines that Virtual OS1 can communicate with. (P5 has virtual network and physical network)
• Virtual OS3 • Physical OS1 • Physical OS2 • Physical OS3 • Physical OS4
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.)
•1000 BaseLX •Single-mode fiber
You have been tasked with designing an Ethernet network. Your client needs to implement a very high-speed network backbone between campus buildings, some of which are around 300 meters apart. Multi-mode fiber optic cabling has already been installed between buildings. Your client has asked that you use the existing cabling. Wich Ethernet standard meets these guidelines? (Select two.)
•1000BaseSX •10BaseSR
Which of the following Ethernet standards uses fiber-optic cabling? (Select two.)
•100BaseFX •1000BaseLX
You have a network that occupies all three 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 main floor. You need to connect the two wiring closets. Which of the following are typically used to connect the two wiring closets? (Select two.)
•25 pair •Horizontal cross connect
Use the exhibit to match the connector type on the left with the corresponding letter on the right. (Picture)
•A= DB25 •B= DB9 •C= RJ45 •D= RJ11 •E=LC •F=BNC •G=F-Type
Which of the following are advantages of virtualization? (Select two.)
•Centralized administration •Easy system migration to different hardware
You are an application developer. You use a hypervisor with multiple virtual machines installed to test your applications on various operating system versions and editions. Currently, all of your testing virtual machines are connected to the production network through the hypervisor's network interface. However, you are concerned that the latest application you are working on could adversely impact other network hosts if errors exist in the code. To prevent this, you decide to isolate the virtual machines from the production network. However, they still need to be able to communicate directly with each other. What should you do?
•Connect the virtual network interfaces in the virtual machines to the virtual switch •Create a new virtual switch configured for host-only (internal) networking
You are responsible for maintaining Windows workstation operating systems in your organization. Recently, an update from Microsoft was automatically installed on your workstations that caused an in-house application to stop working. To keep this from happening again, you decide to test all updates on a virtual machine before allowing them to be installed on production workstations. Currently, none of your testing virtual machines have a network connection. However, they need to be able to connect to the update servers at Microsoft to download and install updates.
•Create a new virtual switch configured for bridged (external) networking. •Connect the virtual network interfaces in the virtual machines to the virtual switch.
You manage the two-location network shown in the exhibit. Workstations and servers at each location connect to a patch panel using behind-the-wall wiring. The patch panel.... Drag the cable type on the left to the most appropriate network location on the right. (Picture)
•Drop cables= Cat 6 straight through UTP •Patch cables= Cat 6 straight through UTP •Uplink cables= Cat 6 crossover UTP •WAN cables= Single-mode fiber optic
Match the virtualization feature on the right with the appropriate description on the left.
•Flexibility= Moving virtual machines between hypervisor hosts •Testing= Verifying that security controls are working as designed •Server consolidation= Performing a physical-to-virtual migration (P2V) •Sandboxing= Isolating a virtual machine from the physical network
You want a switch to have the ability to modify the media type the switch port supports. Which type of module might you use to make this possible?
•GBIC •SFP
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
Which of the following is true about the MAC address? (Select two.)
•It is a 48-bit address •It is typically represented by hexadecimal numbers
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
Which of the following connectors are used with fiber optic cables and include both cables in a single connector? (Select two.)
•LC •MTRJ
Which of the following are typical components of a NAS device? (Select two)
•One or more NICs •A minimal network OS
What topology is used with 100BaseTX Fast Ethernet networks?(Select two.)
•Physical star/logical star •Physical star/ logical bus
Which pins in an RJ45 connector are used to transmit data when used on a 100BaseT Ethernet network? (Select two.) Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8
•Pin 1 •Pin 2
You are preparing to attach wires in a 110 block. You want to connect the wires and trim off excess at the same time. Which of the following should you do? (Select two. Each answer is part of the complete solution.)
•Point the cut side of the tool towards the wire end. •Use a punch down tool with a notched blade.
F-Type connectors are typically used with cables using which of the following standards? (Select two)
•RG-6 •RG-59
Which of the following connector types are used with UTP cables? (Select two.)
•RJ11 •RJ45
Which of the following are requirements of the 1000BaseT Ethernet standards? (Select three.)
•RJ45 connectors •The cable length must be less than or equal to 100m •Cat 5e cabling
Which of the following connectors usually require polishing as part of the assembly process? (Select two.)
•SC •ST
You would like to implement 10 Gbps Ethernet over a distance of 1 kilometer or greater. Which of the following would be the minimum requirement for the implementation? (Select two.)
•Single-mode fiber •10GBaseLR standards
Which of the following are characteristics of an LC fiber optic connector? (Choose two.)
•They use a housing and latch system similar to an RJ45 UTP connector •They are half the size of standard connectors
You've connected a cable certifier to an RJ45 wall jack, and the output shown below is displayed on the device. What does this output indicate? (Select two.)
•This is a crossover cable. •The cable is functioning correctly.
You have configured a virtual network which includes the following virtual components Four virtual machines (i.e., Virtual OS1,Virtual OS2,etc.) One virtual switch The virtual switch is connected to a physical network to allow the virtual machines to communicate with the physical machines out on the physical network. Given the port configuration for the virtual switch and the physical switch in the table below, click on all of the virtual and physical machines that Virtual OS1 can communicate with. (Picture)
•Virtual OS2 •Virtual OS3
