Networking & Security - Test 1 (Ch. 1, 2, 3)

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? a. Document findings, actions, outcomes, and lessons learned. b. Identify the problem. c. Test the theory to determine the cause. d. Establish a plan of action to resolve the problem and identify potential effects.

b. Identify the problem.

If you're shopping for a rack switch, what component on the switch tells you it can be mounted to a rack? a. AC adapter b. Rack ears c. Padded feet d. Large fans

b. Rack ears

Which two encryption protocols might be used to provide secure transmissions for email services? a. SSH and RDP b. SSL and TLS c. HTTP and HTTPS d. FTP and SFTP

b. SSL and TLS

Which of the following devices are you likely to find in the MDF? Choose all that apply. a. Network printer b. Switches c. Routers d. KVM switch

b. Switches c. Routers d. KVM switch

What type of diagram shows a graphical representation of a network's wired infrastructure? a. Network topology b. Wiring diagram c. Rack diagram d. Network map

b. Wiring diagram

A technician from your ISP has arrived to help you troubleshoot a weak WAN connection. To what location do you take them? a. CEO's office b. Work area c. EF d. IDF

c. EF

In the event of a fire, the most appropriate failure policy is a _______ policy. a. Fail-close b. Shutdown c. Fail-open d. Power-off

c. Fail-open

What is the first step of inventory management? a. Identify network requirements. b. List an administrative account's username and password for each device on a network. c. List all components on the network. d. Interview users.

c. List all components on the network.

You need to connect a new network printer to a nearby wall jack. What kind of cable should you use? a. Plenum-rated cable b. Backbone cable c. Patch cable d. Fiber-optic cable

c. 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? a. Ring b. Hybrid c. Peer-to-peer d. Hub-and-spoke

c. Peer-to-peer

Which of the following is an application layer protocol? a. TCP b. Apache c. RDP d. IP

c. RDP

Which device converts signals from a campus's analog phone equipment into IP data that can travel over the Internet? a. Legacy PBX b. Dedicated telephone switch c. Voice gateway d. VoIP phone

c. Voice gateway

What decimal number corresponds to the binary number 11111111?

255

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 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

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

FE80::/64

Which type of DNS record identifies an email server?

MX Record

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

Primary DNS server

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

The OUI

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

You've decided to run an Nmap scan on your network. Which apps could you open to perform this task? Choose all that apply. a. Command Prompt b. Zenmap c. Microsoft Edge d. PowerShell

a. Command Prompt b. Zenmap d. PowerShell

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? a. Look at whether the device is located on the ISP's side of the demarc. b. Look at what kinds of cables are connected to this device. c. Look at purchase records for the device to determine when it was acquired. d. Look at the manufacturer information on the device's label.

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

Which of the following applications could be used to run a website from a server? a. Ngnix b. FileZilla c. Microsoft Exchange Server d. Hypertext Transfer Protocol

a. Ngnix

A network consists of seven computers and a network printer, all connected directly to one switch. Which network topology does this network use? a. Star b. Hub-and-spoke c. Client-server d. Mesh

a. Star

Which of these is considered a secure place to store a list of documented network passwords? a. A sticky note under the keyboard b. The CEO's smartphone c. The MDF d. A password manager

d. A password manager

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? a. Hub-and-spoke b. Peer-to-peer c. Hybrid d. Client-server

d. Client-server

In the client-server model, what is the primary secure protocol used for communication between a browser and web server? a. HTTP b. TLS c. SSL d. HTTPS

d. HTTPS

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? a. TLS b. FTP c. SMTP d. SQL

d. SQL

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