Fundamentals Networking Tech : Mid-Term Exam

What is the Internet standard MTU?

1,500 bytes

What decimal number corresponds to the binary number 11111111?

255

Which of these is considered a secure place to store a list of documented network passwords?

A password manager

Suppose you send data to the 11111111 11111111 11111111 11111111 IP address on an IPv4 network. To which device(s) are you transmitting?

All devices on your local network

What field in a TCP segment is used to determine if an arriving data unit exactly matches the data unit sent by the source?

Checksum

In Question 6, suppose one computer is upgraded from Windows 10 Professional to Windows Server 2019. Which networking model can the network now support that it could not support without the upgrade?

Client-server

What type of device does a computer turn to when attempting to connect with a host with a known IP address on another network?

Default gateway

A technician from your ISP has arrived to help you troubleshoot a weak WAN connection. To what location do you take them?

EF

When your computer first joins an IPv6 LAN, what is the prefix of the IPv6 address the computer first configures for itself?

FE80::/64

In the event of a fire, the most appropriate failure policy is a _______ policy.

Fail-open

In the client-server model, what is the primary secure protocol used for communication between a browser and web server?

HTTPS

Which encryption protocol does GRE use to increase the security of its transmissions?

IPsec

As you're working to fix a problem with an application, you make multiple changes at once hoping that something will solve the issues you're having. You end up with more problems than when you started. Which step, if followed correctly, would have prevented this complication?

Identify the problem

Which encryption benchmark ensures data is not modified after it's transmitted and before it's received?

Integrity

What is the first step of inventory management?

List all components on the network

A transceiver was recently damaged by a lightning strike during a storm. How might you decide whether the ISP is responsible for replacing this device, or whether your company must foot the bill?

Look at whether the device is located on the ISP's side of the demarc.

Which type of DNS record identifies an email server?

MX record

At which OSI layer does IP operate?

Network Layer (Layer 3)

Which of the following applications could be used to run a website from a server?

Ngnix

What is one advantage offered by VDI over RDS and VNC?

Offers access to multiple OSs in VMs

You need to connect a new network printer to a nearby wall jack. What kind of cable should you use?

Patch cable

A network consists of five computers, all running Windows 10 Professional. All the computers are connected to a switch, which is connected to a router, which is connected to the Internet. Which logical networking model does the network use?

Peer-to-peer

Which DNS server offers the most current resolution to a DNS query?

Primary DNS server

Which of the following is an application layer protocol?

RDP

If you're shopping for a rack switch, what component on the switch tells you it can be mounted to a rack?

Rack ears

Which remote file access protocol is an extension of SSH?

SFTP (Secure File Transfer Protocol)

You need to access customer records in a database as you're planning a marketing campaign. What language can you use to pull the records most relevant to the campaign?

SQL

Which two encryption protocols might be used to provide secure transmissions for email services?

SSL and TLS

A network consists of seven computers and a network printer, all connected directly to one switch. Which network topology does this network use?

Star

Which of the following devices are you likely to find in the MDF? Choose all that apply.

Switches Routers KVM switch

Which protocol's header would a layer 4 device read and process?

TCP

Which part of a MAC address is unique to each manufacturer?

The OUI (Organizationally Unique Identifier)

You have just brought online a new secondary DNS server and notice your network-monitoring software reports a significant increase in network traffic. Which two hosts on your network are likely to be causing the increased traffic and why?

The secondary and primary DNS servers because the secondary server is requesting zone transfers from the primary server

Which device converts signals from a campus's analog phone equipment into IP data that can travel over the Internet?

Voice Gateway

ICMP and ARP

Which two protocols manage neighbor discovery processes on IPv4 networks?

What type of diagram shows a graphical representation of a network's wired infrastructure?

Wiring diagram

You've decided to run an Nmap scan on your network. Which apps could you open to perform this task? Choose all that apply.

Zenmap Command Prompt PowerShell

You're getting a duplicate IP address error on your computer and need to figure out what other device on your network is using the IP address 192.168.1.56. What command will show you which MAC address is mapped to that IP address?

arp -a

Which of these commands has no parameters in Windows?

hostname

If you are connected to a network that uses DHCP, and you need to terminate your Windows workstation's DHCP lease, which command would you use?

ipconfig /release