Networking Practice Exam 1
What type of documentation tool is a website that can be edited by users, allowing them to add files and photos and links between pages?
A Wiki
What is a defining characteristic of a bus topology based network?
Devices are daisy-chained together in a single line.
What is the ARPA domain suffix utilized for?
It is used for reverse DNS queries, and holds PTR records.
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 two encryption protocols might be used to provide secure transmissions for browser and web server communications?
SSL and TLS
What command can you utilize to display TCP/IP configuration information for each network adapter installed?
ipconfig/all
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
If your network consists of all connected devices connecting to one central device, such as a switch, what type of topology is being used?
star topology
What command can be used to check a domain computer's time source from a Command Prompt window?
w32tm /query /source
What is the minimal amount of voltage required to damage an electrical component?
10 volts
Equipment data racks most commonly are a standard width of what measurement?
19 inches
What decimal number corresponds to the binary number 11111111?
255
What type of device does a computer turn to first when attempting to make contact with a host with a known IP address on another network?
Default gateway
What statement correctly identifies the purpose of a software patch?
A software patch is a correction, improvement, or enhancement to software.
When creating network diagrams, what icon description typically represents a network firewall?
An icon that resembles a brick wall.
In a rack setup, a device called a KVM allows multiple consoles to connect to a single device on the rack.
False
The protocol data unit for the Physical layer of the OSI model is payload, or data. T or F
False
In the client-server model, what is the primary protocol used for communication between a browser and web server?
HTTP
The proper handling procedures for substances such as chemical solvents is typically outlined in which of the following options?
Material Safety Data Sheet (MSDS)
What federal agency is charged with safety and health in the workplace?
OSHA
Which email protocol allows an email client to download email messages to the local computer?
POP3
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 computers are the highest authorities in the Domain Name System hierarchy?
Root servers
What kind of document serves as a legally binding contract or part of a contract that defines, in plain language and in measurable terms, the aspects of a service provided to a customer?
Service-level agreement
In Question 8, suppose a new switch is connected to the first switch by way of a network cable, and three computers are connected to the new switch. Which network topology is now used?
Star-bus
Which of the following is an example of encapsulation?
The addition of a header to data inherited from the layer above in the OSI model.
A hexadecimal number is a number written in the base 16 number system. T or F
True
At the root level of the DNS hierarchical structure, 13 clusters of root servers hold information used to locate TLD servers. T or F
True
Each organization that provides host services on the public Internet is responsible for providing and maintaining DNS authoritative servers for public access.
True
Each type of cable has a prescribed bend radius, which is the radius of the maximum arc into which you can loop a cable without impairing data transmission.
True
Fiber-optic cable comes in two types: single-mode fiber (SMF) or multimode fiber (MMF).
True
The 1024 - 65535 range of ports is also known as the "well-known" range. T or F
True
When dealing with static electricity, what kind of failure caused by static discharge shortens the life of a component, and can cause intermittent errors?
Upset failure
What type of diagram shows a graphical representation of a network's wired infrastructure?
Wiring schematic
You are troubleshooting a DNS issue on a Linux system, and need to test the resolution of your domain mycompany.com MX record using Google's DNS server with the IP address of 8.8.8.8. What dig command will accomplish this?
dig @8.8.8.8 mycompany.com MX