Exam 2

What OSI layer adds a header to the front of the payload?

Layer 4

What is the acknowledgement number that's 800 bits sent as the final acknowledge to 300071

300072

How should you check the limit of the maximum bytes that a computer can receive before acknowledgement?

Window Size

What TCP error could James check to fix the error of the destination asking for retransmit?

Checksum

What field should be used in an IPv4 Packet to reassemble it?

Identification

What remote access method allows the complete takeover of the host

Terminal emulation

What should be used to provide a set of rules

IPsec

What TCP field confirms the receipt of data

Acknowledgement Number

What protocol should you use for a 7 day sporting event

UDP

What bit should the IPv4 flag be seated

The Third Bit

What protocol should Kevin use for the small company

IP

What remote access method should be provided to Ceratrix?

Terminal Access

What port allows file transfer of SSH

Port 22

What protocol creates a frame for the payload

Ethernet

What command should be used as a result of connectivity issues

arp -d

what IPv4 field is used to put additional routing and timing

Padding

File transfer with not security

TFTP

Small file with verified users ID and public key

Digital Certificate

What IPsec encryption should be used to apply more security

ESP

Which is a collection of protocols that both encrypt and authenticate

SSH

Which of the following protocols is not a terminal emulation protocol?

TFTP

Which of the following remote access methods requires a virtual connection to remotely access resources between a client and a network?

VPN

Which of the following protocols are used to transmit IP and other kinds of messages through a tunnel?

GRE

However, they don't want to purchase dozens of physical computers for these students to connect to. What should Barney do in such a scenario?

Use VDI

The administration however wants to build a dedicated network connection that will allow network administrators to remotely troubleshoot boot problems. Analyze which of the following options should JV consider for its needs.

Out-of-band management

Analyze which of the following terminal emulators will be more suitable for James as he is new to his job and not well-equipped to handle complex layers of programming.

RDP

On inspection, he found that even though there are multiple points for connecting branch offices to the main office, certain branches have been left out. Analyze which of the following VPN protocols Rahul should use in such a situation.

mGRE

The University of Oklahoma has hired you as a network engineer, and you are required to remote into a LINUX server of the legal department building, which is located on the same block. Which of the following protocols will you apply in this case?

SSH

He has been allowed to work from home because of the COVID-19 outbreak. You have been asked to establish a VPN so that Raqeeb can access a file server from the office while he operates from his workstation at home. It also has to be kept in mind that Raqeeb wants to stream music alongside when he does this. Which of the following VPN types will you apply so that the necessary requirements are met?

Split Tunnel

You, as a network administrator, want to set up an FTP for remote file access. You also want to add an added layer of protection so that you can encrypt both the data and control channels. Which of the following technologies will you apply in such a case?

FTPS

Which of the following utilities would you use to display TCP/IP components and connections on a host?

Netstat

As a network administrator in Wright Elementary School, it is your job to monitor all the devices used by the staff and students. Which of the following commands would you employ to be able to detect, identify, and monitor devices on a network?

nmap

You are running the netstat command to list all active TCP/IP connections of the local machine. However, you now want to have access to the routes used by the network hosts to reach the particular network destinations. Which of the following commands will you apply in such a situation?

Netstat -r

Despite all this, he notices that the web server is taking twice as long to respond to HTTP requests. He has an impression that the reason for this might be the traffic going into and out of each NIC. Analyze which of the following utilities should Robert use to determine the traffic going in and out of each NIC.

netstat

Which of the following utilities is also known as a packet sniffer?

tcpdump

Which of the following layer's header identifies the IP address of the destination host?

The network layer

While creating the TCP segment for this purpose, you wish to set up a command requesting a synchronization of the sequence numbers between two nodes. Which of the following flags will you apply with a 1-bit field so that you can set this up?

SYN

Your client has hired you to extract details about the port on which the TCP/IP connections are running. You, as a network engineer, have decided to use the netstat utility for this purpose. Which of the following commands will you apply to list all current TCP connections and an all listening TCP and UDP ports?

netstat -a

Recently, a couple of routers were reported for hardware failure. As the organization is large, it will take a lot of time to track down and identify the malfunctioning routers. What would be the most feasible option for Mr. Yen in this situation to solve the issue?

Use tracert

Kiara, a network programmer, gets to know that the packet has not reached the destination and has been sent back because the allotted TTL has expired. Now, as the device was running on an IPv6 packet, analyze which of the following protocols should Kiara opt for so that such errors do not arise in the future?

NDP

1 billion is what prefix

giga

Theoretical transmit rate

Bandwith

Which of the following is not a characteristic of fiber cable?

Low Cost

Which of the following transceivers supports up to 10 Gbps?

XFP

Which of the following multiplexing technologies would you use with fiber-optic cable?

WDM

Core of an RG-6 coaxial cable

18 awg

What is the maximum supported bandwidth for a Category 5 twisted-pair cable specified under TIA/EIA-568 standards?

100 mbps

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

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

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 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

Pocso Group of Institutions has hired you to set up a LAN connection so that the students in the hostel can easily avail the prerecorded classes. These classes are provided through video lectures on the desktops situated at the common rooms for each hostel within the campus. Which of the following standards will you apply to provide the fastest transmission for their requirement?

100GBase-T

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

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

Netcom Solutions is an Internet Service Provider that has purchased a fresh wholesale bandwidth from network service provider GT&P. Netcom Solutions has been using duplex technologies running through copper wires for its distribution. It now wants to upgrade to multiplexing technologies using fiber-optic cables so that it can allow multiple signals to travel simultaneously. Analyze which of the following types of multiplexing technologies Netcom should choose in this situation for its connection with GT&P so that it can operate with more channels.

DWDM

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

Mr. Furland was hired as a network engineer at Secret Eye Corporations that is running a security camera outlet. While setting up a camera at one of the sites, he notices that the security camera has been mounted really high as a result of which there are no power receptacles to power up the device. So, Mr. Furland plans on powering these devices using an Ethernet cable. Which category of cable should he choose to power up the device?

Cat 7

You, as a network engineer, have been sent to insert twisted pairs into an RJ-45 T568B for a newly set up network at Delta Innovations. Which of the following cables will you use in this scenario to connect the workstation to a switch?

Rollover Cable

With which of the following pin numbers would you associate a white/orange T568A color Fast Ethernet function?

3

Which of the following cables consists of one or more insulated wire pairs encased in a plastic sheath?

UTP Cable

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

You are setting up a network connection that can transmit up to 10 Gbps with a maximum frequency of 500 MHz. 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 6a

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 Through put

Which of the following multiplexing types divides a channel into multiple intervals of time, or time slots?

TDM

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 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

Which of the following tools measures the amount of light power transmitted on a fiber-optic line?

OPM

The IT department at Zatar Airways has complained of a faulty fiber-optic cable as a result of which there are connectivity issues in the organization. You, as a senior technician, are planning on an on-site visit to examine the defects of the cable. Which of the following tools must you carry along so that the defects are detected?

TDR

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

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 Momos & 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 upgradeable interfaces

Monica, a network engineer at J&K Infotech Solutions, has been contracted by a small firm to set up a network connection. The requirement of the network backbone for the connection is of a couple of switches needing fiber-optic connections that might be upgraded later. Which of the following transceivers should Monica use when the maximum transmission speed is of 8 Gbps?

XFP

Which of the following transceivers supports up to 10 Gbps?

XFP

As a network engineer, you have been tasked to form a Gigabit Ethernet for connecting a data center with a data closet in an office building. Identify which of the following fiber Ethernet standards would you apply in this situation.

1000Base-FX

RT&T is a world-renowned ISP that has hired you as a contractor for a cross-country network cabling project for its upcoming new FiberNet package. Through this package, it plans on providing high-speed Internet to consumers. Which of the following cables will you choose to carry out this large-scale project?

SMF

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

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

Mr. Anderson had to set up an Ethernet network segment that can transmit data at a bandwidth of 1000 Mbps and cover a distance of 2000 m per segment. The available fiber-optic cable in the market was an SMF cable. Analyze and discuss which of the following fiber Ethernet standards he should follow under such circumstances.

1000Base-LX

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

You are a network administrator, and you want to verify that a cable is properly conducting electricity so that its signal can travel unimpeded from one node on a network to another. Which of the following tools would you use to identify this while setting up the network segment?

Multimeter

The Embassy of New Zealand has hired you to set up some patch cables that are to be used at its immigration office. What color wire will you insert into the third pin of an RJ-45 plug in such an establishment?

White/orange

Which of the following will act as the centralized point of interconnection in reference to an organization's LAN, CAN, or WAN?

MDF

You are an employee for Asianet Solutions, which is an ISP. Rickwell Infrastructures has hired Asianet Solutions to establish a network connection in its organization. You have been sent to its office to stack up the routers, servers, and switches. Which of the following options would you use in such a scenario?

Rack

A client contacted you to avail your services of cable installation. The requirement is to set up a connection which connects workstations to the data room, and the distance between them spans 87 meters. Which of the following cabling methods would be an ideal option for this assignment?

Horizontal cabling

Hill Corporation Ltd., an Internet service provider, has been providing networking solutions to Riverdale High School for over a year. However, recently the administration at Riverdale high School has been complaining of an unstable connection. You are employed by Hill Corporation for the purpose of inspecting the issue at hand. What would be your first check point to ensure that there are no network issues from the service provider's end?

The entrance facility

The University of Mordor houses almost 1000 students in its campus. It has multiple buildings in the campus where free food and Internet services are provided for the students. The University boasts of providing one of the fastest Internet experiences in the country and there have never been any reports of the service going down. To ensure such efficient connectivity, the University adheres to the ANSI/TIA standards to better manage the data feed from the main data facilities. Which of the following can be reasonably inferred from the above scenario?

Every floor in the building has an individual IDF.

Which of the following is an enclosed space that holds network equipment?

Data Room

Which of the following server racks would you use for a bolt-free mounting?

Square-Hole Racks

What is the maximum allowable distance for horizontal cabling?

100 m

You have been sent to the University of Yale to enable voice calls using a broadband connection instead of a regular analog phone line. Which of the following protocols would you apply in such a scenario?

VoIP

What are larger data rooms also known as?

Telecommunications room

Hari has been employed by Telnet Softtech Ltd. as a senior network engineer. Analyze which of the following statements he should keep in mind while visiting the data room of a multinational company for monitoring and security purposes.

He should have the HVAC sensors connected as network devices themselves

When Kyle visited Claremont Group of Institutions as a network professional to repair defective cable ends, he accidently left more than an inch of exposed cable before a twisted-pair termination. Analyze what the consequence of Kyle's error will be.

It will increase the possibility of transmission interference between wires.

Yang, a network engineer, has been tasked with establishing a new long-distance connection for the branch offices between Manhattan and Texas by an ISP. In doing so, analyze which of the following cables he should opt for in order to obtain maximum speed and bandwidth.

Fiber Optic Cable

The Cambridge Law Department has complained of a loss of network signal from time to time. On inspection, it has been noticed that the loss of signal is due to noise interference at the physical layer. Analyze which of the following measures should be taken to sort out this issue.

Ensure that the cables are at least 3 feet away from fluorescent lights or other sources of EMI.

If a twisted-pair cable has a diameter of 0.8 cm, which of the following options would you apply as the bend radius of the cable so that data transmission is not impaired?

3.2 cm

You are working as a network engineer with SkyNet Solutions. You have been sent to the Waylan Union High to establish a wireless link between the entrance facility and the main distribution frame. Which of the following cabling methods would you choose to complete the task at hand?

Backbone Cabling

As a senior network engineer, which of the following would you use when you are setting up a network connection at a university and you have to connect and organize lines running from walls to racks to network devices?

Patch Panels

Royal Global University has just set up a new department for biotechnology and has hired you to extend the network connection to this department. Which of the following equipment do you think is necessary while extending the connection?

IDF

As a network engineer, you have been sent to install a data outlet at BMC Corporation Ltd. Which of the following cable installation tips should you follow to prevent physical layer failures and to reduce the risk of damage from pests and water?

Install cable through conduits.

Which of the following consists of one or more insulated twisted-pair wires encased in a plastic sheath?

UTP