Network Components Final Exam
Which of the following commands can be used to change a device's name?
hostname
Which of the following commands lists a router's routing table information?
show ip route
What will the number of hosts per subnet in a 255.255.255.240 IPv4 class C subnet mask?
14
Identify the core of RG-6 coaxial cable.
18 AWG
The network administrator has asked you to subnet a network that has 5 subnets, each with at least 16 hosts. Which subnet mask would you use?
255.255.255.240
Which of the following 802.11 wireless standards operates in the 6-GHz frequency band?
802.11ax
Moses has just been hired as a service manager for Dalton Associates. Which of the following statements misrepresents information that might be essential for Moses to be familiar with?
A more negative RSSI value indicates a higher quality signal.
You are working on an IPv6 address 2608:FE10:1:AA:002:50FF:FE2B:E708. You want to create subnets within this IP address. Which of the following will you choose to alter when creating subnets for this address?
AA
Analyze which of the following can be used to establish a static VLAN assignment for a device.
Assigning a VLAN based on the switch port the device is connected to
Which of the following terms refers to the amount of data you can theoretically transmit during a given period of time?
Bandwidth
SMCS School has hired you to set up an Internet connection within the school premises. The Internet connection will be utilized by both the junior and senior sections of the school situated in two different buildings on the same campus. Which of the following types of network will you install in this scenario?
CAN
Which of the following devices serves as the endpoint for a dedicated connection between an ISP and customer?
CSU/DSU
You have been working as a network engineer for Flaming Systems and Solutions. An existing client of your organization has requested you to set up a network for a new joint wherein a user will have to agree to a certain set of terms and conditions before gaining access to the network. Which of the following options will you use in such a scenario?
Captive portal
You have been tasked to set up a 10GBASE-T standard Fast Ethernet for JJ Mills Corporation. While doing so, you have managed to follow all the specified standards, and the only thing left to do is to purchase and plug the twisted-cable pairs. Which of the following pairs of twisted cables will you use in this scenario?
Cat 7
An Internet Service Provider has hired you to frame cables for a network connection using TIA/EIA standards so that it can transmit up to 10 Gbps or 40 Gbps at short distances. However, you do not want to disrupt the previous cabling equipment as it will increase the cost. Which of the TIA/EIA 568 standard twisted-pair cables will you use to carry out this operation without having to go through the equipment changes?
Cat 8
Subnetting, which alters the rules of classful, IPv4 addressing is known as_____?
Classless addressing
Murphy Communications has been running a VLAN-managed network to connect different devices. You as a network analyst want to assign a name to the VLAN network, but you are unable to do so. What kind of VLAN is most likely being used in the organization?
Default VLAN
JVC Corporations is a multinational company that has a variety of products worldwide. You are working as a network engineer with the network management team of the company. The network administrator has requested you to submit a network document after subdividing the smaller network of Human Resources into a separate network segment so that it is convenient for troubleshooting. Under which of the following groupings will you place this network segment in this scenario?
Departmental boundaries
Fox Agro, a small business, faces network congestion and connection failures, which affect the network. As a result, the quality of performance of the unit gets adversely affected. You are appointed as a network administrator to determine the best solution to this problem. Which type of routing path will you use to solve this problem?
Dynamic route
Which of the following versions of EAP (Extensible Authentication Protocol) used PKI (public-key infrastructure) certificates to exchange public-keys and authenticate both the supplicant and the server?
EAP-TLS
Mr. Walker plans on manufacturing a new line of twisted-pair cables for Ethernet Networks. To do so and to compete with the other brands circulating in the market, he has to get his cable qualified as per certain standards. Which of the following points should he emphasize to get his cable TIA/EIA certified?
Effective throughput
Mr. Chadwick has recently set up a network connection for a client wherein he made a transition between an SMF and an MMF cable using a fusion splicer. Around a week later, the client calls him up and raises a concern about fluctuations in the network. Mr. Chadwick decides to conduct an on-site inspection, and he gets to know that the reason behind the fluctuation is that the transmission has not traversed successfully. Analyze which common fiber problem Mr. Chadwick is referring to in this case.
Fiber type mismatch
In the formula 2n= Y, what does n represent?
It is the number of bits that must be switched from the host address to the network ID.
Which of the following tools measures the amount of light power transmitted on a fiber-optic line?
OPM
You have successfully followed the cabling procedures for a new network connection at a primary school. The only task left is to connect the administrative computer to the console port of the router. Which of the following cables will you choose to connect the console port of the router to the computer?
Rollover cable
An ISP's headquarters is located in Philadelphia, and it has a branch office in Canada. The ISP wants to ship an edge device to the branch location where a non-technical person can plug in the device without any configuration needed on-site. Which of the following should be used in this scenario?
SD-WAN
You have been hired by Radio 995.5 to establish a fast and effective network connection so that the signals are least affected by latency, noise, and attenuation. Which of the following would you choose in this scenario so that there is no failed or slow transmission for the radio network?
Simplex
You as a network analyst want to make certain changes to a VLAN database, and you want these changes to be reflected in all the other switches in the network. Which of the following will you use?
Stack master
Which of the following will you use to assign a VLAN based on the switch port the device is connected to?
Static VLAN assignment
An attack has been detected in your network system by one of the network engineers. Analyzing the attack, you come to know that the system was accessed through one of the switches where the hacker fed his own VLAN traffic into the port and accessed the network. What kind of an attack have has been experienced in this scenario?
Switch spoofing
Which of the following cables consists of one or more insulated wire pairs encased in a plastic sheath?
UTP cable
Moses wants to update the interface of a router. He plans on having a check on the current running configuration file and then wants to copy the running configuration file to the startup configuration file. Analyze which CLI mode Moses must use in this scenario.
Use the privileged EXEC mode to apply the changes
Which of the following traverses a significant distance and usually supports very high data throughput?
WAN
Which of the following security threats involves an interception of the network keys communicated between clients and access points?
WPA attack
What is the maximum supported bandwidth for a Category 5 twisted-pair cable specified under TIA/EIA-568 standards?
100 Mbps (Fast Ethernet)
Betty has recently bought a house in Manhattan, and she wants the living room to be wirelessly connected through Bluetooth. She intends on buying a central Bluetooth device that will be the center for all the other Bluetooth devices. This has been presented to you, a network analyst. Which of the following frequencies in the wireless spectrum will you use to successfully enable this connection?
2.4 GHz-2.4835 GHz
You are a network engineer who is working on a very busy network and is concerned why the actual throughput is less than the potential bandwidth. The total signal strength has been estimated to be 1000 watts, and the estimated loss of signal due to noise has been calculated to be 6 dB. What is the throughput that is being received at the moment as per your calculations, keeping the 3-dB rule in mind?
250 watts
The organization where you are currently working as a network administrator has a class A network address 10.0.0.0 with 40 subnets. You want to add another 60 new subnets to the network. You would like to still allow for the largest possible number of host IDs per subnet. Which of the following subnet masks will you choose in this scenario?
255.254.0.0
Calculate the total number of hosts per subnet that you can derive from the network ID 192.168.1.0 255.255.255.224.
30
Gamezee is a YouTuber who streams games. He has recently hired Jasmine to help him manage the wireless video streaming services. Currently, Gamezee is facing a network fluctuation issue. As a result, there are lags in his live video stream. He wants Jasmine to install the latest available Wi-Fi so that the devices can tap and utilize the maximum bandwidth and increase the throughput. Analyze which frequency range will help Jasmine to fix this issue.
5.925 GHz-7.125 GHz
The Habitat Centre is one of the most well-known places for holding conferences. It has contracted you to fix its network issue-connections to various Wi-Fi clients are dropping during meetings. After inspecting, you realize that the wireless standard needs to be upgraded to a faster standard using the BSS (basic service set) coloring technique in order to provide more network clients with higher speeds at the same time. Which of the following standards will you use in this situation?
802.11ax
Beevan works as a network analyzer for an ISP. The network manager has asked him to use a protocol for the routers that can scan beyond the home territory and can instruct a group of routers to prefer one route over other available routes. Analyze which of the following should be used in this scenario.
BGP
You have been getting complaints about slow speed from one of your clients. You decide to visit the site to have a look, and you notice that the RJ-45 connector has been tampered with as a result of which there are network fluctuations. These fluctuations are taking place as the pins in the connectors are bent. Which of the following tools will you use to push the pins inside the RJ-45 connector?
Cable crimper
While setting up a network segment, you want to check the functionality of a cable before putting connectors on them. You also want to measure the termination point or damage in the cable. Which of the following tools would you use to identify this?
Cable performance tester
Which of the following refers to any router outside an organization's AS(autonomous system), such as a router on the Internet backbone?
Exterior router
You are a network administrator for an ISP that wants to increase the amount of data that can be transmitted within the given bandwidth. For this purpose, you decide to use multiplexing technologies so that you can modulate the signals into different frequencies that can travel simultaneously over a single channel only to be demultiplexed at the other end. Which of the following multiplexing types will you use in this case?
FDM
You are working as a network administrator for an ISP. You receive a complaint about fluctuations in the network speed despite using a fiber-optic cable. On checking the situation, you are of the opinion that you will need to cut a clean slice through the fiber strands. Which of the following kits should you carry for this purpose?
Fiber cleaver
Jordan wants to install a Z-Wave network for his private sports complex that he has constructed in his backyard. He has contacted you, a network administrator, to carry out the network installation for his Z-Wave devices that will be used to control and transmit data and commands between devices. The total distance spans across 400 meters, so you have decided to use a Z-Wave mesh network to connect the devices. How many hops will you require for the Z-Wave transmission to reach the devices, which will also act as repeaters?
Four hops
LTE (Long-Term Evolution) and LTE-A (LTE advanced) are variations of which generation of cellular network?
Fourth generation
You are working as a network engineer for an ISP. A ticket has been raised that states that the SMF (single mode fiber) and the MMF (multimode fiber) cables have come apart at the FDP (fiber distribution panel). On checking the situation, you realize that you will need to melt the tips of the two fibers together so that light can pass cleanly through the joint. Which of the following kits will you require in this scenario?
Fusion splicer
Phillips is a trainee who is currently on probation at ICP Solutions. Under which of the following groupings will he classify the network segment of the floors of a building connected by a LAN?
Geographic locations
Local Brew is a small cafe operating in New York. It has set up a free wireless network in its cafe to provide customers with ease of Internet access. Recently, one of the customers lodged a complaint against Local Brew regarding data theft from his emails, which has been traced back to the cafe's public IP. Local Brew has informed Barton, who is the network provider for the cafe, to rectify the issue. Which of the following should Barton do to analyze and rectify the issue?
He should check whether caprice portal user reminders have been set up.
Mr. Haywire has just bought a set of wireless security cameras for his backyard. Howard, a network professional, has been sent by the store to set up the security cameras. While configuring and setting up the cameras, Howard notices that he is unable to configure the in-house Wi-Fi network with the cameras because of some frequency issues. Analyze what Howard should do in this situation.
He should set up an AP that offers a Wi-Fi standard on that band.
Brown Industries consults you to review and check for faults in the recently installed port-based VLAN network on its premises. The VLAN has been segmented according to Brown Industries' departments such as Sales, Finance, and Marketing. On inspection, you realize that a virtual sales client, which should have been plugged into port 6, has been plugged into port 1, which is reserved for marketing clients. What kind of configuration error are you facing in this situation?
Incorrect VLAN assignment
Mason, a new network engineer in your organization, has set up the configuration of the switch ports to other network devices. On inspection, you, the network administrator, realize that the configuration has been made using access mode instead of trunk mode. What kind of a configuration error are you facing in this situation?
Incorrect port mode
Michael Slater is the new technician in the office. An issue has reduced the performance of the network, but he is unable to diagnose the reason behind the issue. On checking the recommended geographic range for the AP, he realizes that the clients are not within the recommended distance. This has caused multiple data errors and a deterioration in communication. Which of the following issues has caused the issue here?
Insufficient wireless coverage
Your network administrator has asked you to change the subnet mask of the Cisco router used in the organization. Which of the following Cisco CLI modes would you apply in this scenario?
Interface configuration
Black Lion Cements has set up its new branch office adjacent to its manufacturing unit. Even though there are a lot of heavy pieces of machinery operating adjacent to the office, the management at Black Lion Cements believes that this will enhance the employees' performance. It has hired JW Communications to manage and assess its network requirements. After setting up the network, the network engineers are constantly facing wireless communication errors, which are difficult to diagnose. Analyze which of the following might be the cause of this error.
Interference seems to be the cause.
The University of Pochinki scheduled a webinar for the students belonging to the law department. The webinar had professionals participating from various parts of the state. However, once the webinar started, a lot of participants sent messages claiming that the video transmission was repeatedly jumping around. The university called in its network administrator to take a look at the situation. Analyze what might have been the issue here.
Jitter
Josh is a new trainee at TT&P who has been sent to a client location to patch up cables connecting the switch to the data center. While doing so, Josh is unable to decide which connector to consider while connecting the ferrules of an SMF cable that measures 1.25 mm. Analyze and suggest which of the following connectors Josh should opt for under the circumstances so that there are minimum back reflections.
LC
Bradley has been running a business in his garage for over a period of 10 years. He plans on expanding the business by opening up three new offices in three different cities. Since he has accumulated sufficient profits to move to a larger office space, he plans to upgrade his network connection to one with a dedicated and symmetrical bandwidth. Bradley approaches Mantle Solutions, an ISP. Which of the following options should be offered by the ISP in this scenario?
Leased lines
You, as a network engineer, have recently established a network connection for three separate department buildings in a university. One of the departments has complained that the signal strength it receives is not the same as the signal strength the other two buildings receive. Which of the following will you use in this scenario?
Line drivers
Crom Breweries is an old client of HW Internet Solutions. Crom's IT department calls HW Solutions to inform that the interface is down. HW Solutions sends a network analyst to check the situation. The network analyst assumes that an employee must have shut down the interface. He applies the show interface command to get an overview of all the devices interfaces. Analyze which of the following will help the network analyst to know whether the interface was shut down.
Link state
Which of the following is not a characteristic of fiber cable
Low cost
A network administrator has asked Robin, a network engineer, to use OSPF (Open Shortest Path First) along with RIP (Routing Information Protocol) on an edge router in a network so that it demands more memory and CPU power for calculations but keeps network bandwidth to a minimum with a very fast convergence time. Identify and analyze which characteristic of OSPF signifies this.
Low overhead, fast convergence
Rodri has been contracted by an ISP to set up an IPv6 address for MIL Ltd. The RIR (regional Internet registry) has assigned the ISP a block of 32-bit routing prefix. The ISP will provide MIL Ltd. with a /48 site prefix. Analyze which of the following scenarios will help Rodri in calculating the total number of possible subnets.
MIL Ltd. can create up to 65,536 subnets.
Which of the following statements about MPLS (multiprotocol label switching) is not true?
MPLS does not offer any decreased latency.
Which of the following can be used to provide administrative access to a switch?
Management VLAN
As a network administrator, you have to deal with a situation where an Ethernet segment leading from your company's data center uses fiber-optic cable to connect to a workgroup switch that only accepts twisted-pair (copper) cable. In this case, which of the following would you use to interconnect the switch with the fiber-optic cable?
Media converter
DMPL is an MNC that wants to establish a one-stop shopping point for consumers. DMPL has contracted you to develop a single card that can be used for loyalty and membership programs as well as for cashless payments. The management at DMPL has specified that the card should not include a power source and should be able to transfer data wirelessly over short distances up to 10 cm. Which of the following technologies will you use?
NFC
Which of the following VLANs receives all I tagged frames from untagged ports?
Native VLAN
Wheys Solutions has contracted you to subdivide an 802.11ax 20-MHz channel into smaller frequency allocations so that the access points can transfer multiple small frames to multiple clients at one time using parts of the channel. According to you, which of the following innovations of the 802.11 standard is ideal for this scenario?
OFDMA
Mr. Lowe is a network administrator who plans on purchasing a switch that will be the part of a network for a new fast-growing fast-food joint named Moms & More (M&M). The team at M&M has specifically told Mr. Lowe that even though the current need of the network is two fiber-optic connections, it is planning on a significant expansion in the coming years. This expansion will include a fiber-optic connectivity to every desktop in the organization. Analyze what Mr. Lowe should do in this situation.
Order switches that allow upgradable interfaces
Yours Eventfully is a talent acquisition firm that wants to install biometric methods such as hand scanning at its office for which you have been contracted. Your job as a network engineer is to create an encrypted TLS tunnel between the supplicant and the server before proceeding with the usual EP process. Which of the following versions of EP will you use in this scenario?
PEAP
Global ISP has received the tender for a project that requires the company to run a fiber connection to provide Internet connection to 120 families in an area simultaneously. Analyze which of the following would be feasible for Globe ISP in this scenario.
Providing the connection using FTTN
What is the service that offers a central authentication point for wireless, mobile, and remote users called
RADIUS
You are working as a technical specialist for an ISP. The network administrator has asked you to set up a router for a client with a routing protocol that will use a distance-vector algorithm and is limited to 15 hops. Which of the following will you use?
RIPv2
You are a network analyst at a securities firm. You have to assign an identifier to each VLAN used in the network so that the connecting devices can identify which VLAN a transmission belongs to. Which of the following will you use in such a situation?
SAID
What is the term used to identify the first four blocks that normally help to identify a network?
Site prefix
Which of the following devices will help users to adjust temperature settings based on daily schedules in response to voice commands
Smart thermostat
Which of the following is a more intelligent version of an NIU (network interface unit)?
Smartjack
Which of the following multiplexing types divides a channel into multiple intervals of time, or time slots?
TDM
Tim has been contracted to install a wireless connection at the head office of Travis Roadways. The head office is located in between two manufacturing units because of which there is a lot of noise in the wireless spectrum. The management has requested Tim to ensure that the network connection provides reliable delivery of time-sensitive data so that they can conduct meetings with other branch divisions via video streaming. Analyze the RSSI (received signal strength indicator) level required for Tim to establish the connection functional as per the requirements.
The RSSI level should at least be -50 dBm.
White Hawks runs a baseball stadium, and it would like to set up a network that has a reasonable level of availability and effectiveness so that fans can receive a close and strong signal throughput when they watch a game. Analyze which of the following statements will help in understanding why a 5G service is ideal in this scenario.
The cell density for the network must be close.
The headquarters of BBK Solutions has detected a possible attack with the help of VLAN tags. Mathews is the head of the Network Administration department in BBK Solutions, and he has to come up with security measures to prevent such instances from occurring in the future. Which of the following security measures should Matthews consider keeping the VLAN pathway as the primary focus?
The default VLAN should not be used
The part which identifies the network in an IPv4 address is known as _____.
The network ID
Mediacom Communications has requested you to manage the access to its 802.11 standard wireless networks. A recent instance of errors in transmission has been recorded, and in order to fix this problem, you want to run a cyclical code to check for errors in transmission. In which field of the 802.11 data frame will you run this check?
Trailer
The network administrator has instructed you to set up multiple logical VLANs to receive and transmit data. He has asked you to connect one of the switches to a router so that the interface can manage the traffic from multiple VLANs. Which of the following will you use in this scenario?
Trunking
James has been contracted to set up a wireless network for a supermarket. The IT department of the supermarket wants James to develop a mesh network of APs in order to offer customers Internet access and selective discount coupons. James has decided that he will have to add additional security options for this purpose. Analyze which of the following will help James fix the issue.
Use Geofencing security technique
Quinton works as a network specialist at John Brooks &Co, an ISP. Part of his job requires him to authenticate and secure Wi-Fi networks using the EP (Extensible Authentication Protocol). Freesco, a client of John Brooks &Co., uses PKI (public-key infrastructure) certificates to exchange public keys. Analyze which of the following steps Quinton should follow under these circumstances.
Use the EAP-TLS encryption to protect communications
Nathan has plans of opening a call center. He will require a network connection that will have a bare minimum of 3 Gbps upstream and at least 8 Gbps downstream throughput. Analyze which of the following will provide a solution to Nathan.
Using a DOCSIS 4.0 for maximum throughput
As a network administrator, a client has approached you to set up the network for MKV, a software company. The company requires sufficient amounts of data for both uploading and downloading purposes; however, it prefers a connection that has better download speed. Which of the following DSL varieties do you think is best suited for such a requirement?
VDSL
You have been appointed as the network administrator in Well Brew Ltd. The WPS (Wi-Fi Protected Setup) in the office is user-friendly, but not very secure. A recent problem highlighted that the PIN can be easily cracked through a brute force attack, which means simply trying numerous possible character combinations to find the correct combination. Which of the following attacks have you most likely encountered?
WPS attack
Wildfilms Ltd., who is your client, has raised a ticket complaining of loss in signal strength since the new upgrade. Earlier, the connection was established using wired transmission, which has now been upgraded to a wireless connection. Which of the following will you use to amplify the power of the transmission in this scenario so that the issue can be resolved?
Wireless range extender
Charlie Gordon is the new technician at Beekman University computer lab. He is unable to get the Wi-Fi client to connect to the AP at all. He has looked into the matter and has found that he can't find an available AP even after using the correct security key. After further investigation, he has realized that if the access point does not broadcast its SSID, he would have to enter the SSID during client configuration. Analyze which of the following issues Charlie might be encountering in this scenario.
Wrong SSID
Which of the following transceivers supports up to 10 Gbps?
XFP
You are employed as a network engineer. While setting up a client's connection, the client requests you to display trunks configured on a switch. Which of the following commands will you use in this scenario?
sh int tr
You are employed as a network engineer. While setting up a client's connection, the client requests you to display the concise network layer information of the device interface that is being installed. Which of the following commands will you use in this scenario?
sh ip int br
