Randomized Networking & Technical Support Flashcards

A set of 118 question-and-answer practice flashcards covering fundamental networking concepts, hardware, protocols, operating system utilities, and support troubleshooting.

What type of network has a wider geographical coverage?

A. WAN
B. LAN
C. CAN
D. MAN
ANSWER: WAN

What node in the network serves as an access point to other networks?

A. DNS Server
B. IP Address
C. Default Gateway
D. Access Point
ANSWER: Default Gateway

What is the built-in security application on Windows?

A. Windows Firewall
B. Windows Block
C. Windows Utility
D. Windows Security
ANSWER: Windows Firewall

What window do we open to check the status of the connection for either wired or wireless in a Windows-based computer?

A. System Preferences
B. Control Panel
C. Device Manager
D. Network Connection
ANSWER: Network Connection

Which type of IP address is considered to be routable?

A. IPv4 Address
B. Public IP Address
C. IPv6 Address
D. Private IP Address
ANSWER: Public IP Address

Internet is private in nature and it is an example of a Local Area Network.

A. True
B. False
ANSWER: False

If a proxy server is enabled in the browser, pinging a public website will not be possible.

A. True
B. False
ANSWER: False

What is the default email client of macOS X?

A. Entourage
B. Apple Mail
C. Eudoramail
D. Apple Safari
ANSWER: Apple Mail

What is the default port number for SMTP?

A. 110
B. 101
C. 25
D. 143
ANSWER: 25

What device is designed to contain different resources that can be made available to the clients 24/7?

A. router
B. hub
C. switch
D. server
ANSWER: server

Cable Internet Technology uses a device that sends and receives digital cable modem signals on a cable network and is usually located on the ISP's side. What is it?

A. DSL access multiplexer (DSLAM)
B. cable modem
C. cable modem termination system (CMTS)
D. ISP router
ANSWER: cable modem termination system (CMTS)

What is the latest released version of macOS?

A. Sonoma
B. Tahoe
C. Sequoia
D. Ventura
ANSWER: Tahoe

If proxy is enabled, the default gateway will not be reachable.

A. True
B. False
ANSWER: False

These are the advantages of wireless connection over a wired connection, EXCEPT:

A. security
B. convenience
C. mobility
D. affordability
ANSWER: security

A VPN connection can be established without Network Authentication.

A. True
B. False
ANSWER: False

'ping request could not find host' error means:

A. There is a name resolution issue.
B. The packet was not routed successfully.
C. There is no connection to the default gateway.
D. The proxy server is enabled in the browser.
ANSWER: There is a name resolution issue.

What command allows you to identify all the IP addresses mapped to a domain name?

A. nslookup
B. tracert
C. ding
D. ping
ANSWER: nslookup

A VPN connection is considered to be a WAN connection.

A. True
B. False
ANSWER: True

What do you call a group of computers and devices that are connected to each other for data transmission and communication?

A. Network
B. Media
C. Stand-Alone Computer
D. Standard and Protocols
ANSWER: Network

What channels are considered to have less interference in a 2.4 GHz frequency spectrum?

A. 1, 6, 11
B. 2, 6, 12
C. 3, 6, 9
D. 1, 3, 9
ANSWER: 1, 6, 11

What is the decimal equivalent of this binary IP address: 11000000.10101000.00000000.00000101?

A. 128.192.0.1
B. 168.192.1.0
C. 192.168.0.5
D. 172.168.0.1
ANSWER: 192.168.0.5

In macOS, it is a strip of icons at the bottom (or side) of the screen that provides quick access to frequently used apps, files, and folders, acting as a launcher and status bar.

A. Metro Interface
B. System Tray
C. Dock
D. All Apps Interface
ANSWER: Dock

What is the standard maximum data transmission rate for 802.11a standard?

A. 11 Mbps
B. 24 Mbps
C. 34 Mbps
D. 54 Mbps
ANSWER: 54 Mbps

What wireless mode connects wireless devices together in a peer-to-peer fashion?

A. Wireless Infrastructure Mode
B. Wireless Ad-hoc Mode
C. Wireless On Demand Mode
D. Wireless Signal Mode
ANSWER: Wireless Ad-hoc Mode

What type of WAN Technology allows a subscriber to connect a computer or LAN router to a cable modem, which translates digital signals into broadband frequencies used on a cable television network?

A. Wireless 802.11 Technology
B. Cable Technology
C. DSL Technology
D. Fiber Internet
ANSWER: Cable Technology

What Windows applet contains the menu to customize the appearance and functionality of your computer, add or remove programs, and set up network connections and user accounts?

A. Control panel
B. Network and Sharing Center
C. Network Connections
D. Device manager
ANSWER: Control panel

The valid IP ranges for the network address 192.168.1.0 are the following:

A. 192.168.1.0-255
B. 192.168.1.1-255
C. 192.168.1.1-254
D. 192.168.1.0-254
ANSWER: 192.168.1.1-254

802.11g is downward compatible to 802.11b.

A. True
B. False
ANSWER: True

What wireless security was developed to enhance WEP?

A. WPA
B. WEA
C. WPE
D. WAP
ANSWER: WPA

A static IP Address can be released and renewed via the command prompt.

A. True
B. False
ANSWER: False

These are reasons why a computer gets a 169.254.x.x IP EXCEPT:

A. Speed and Duplex
B. DHCP Server is down
C. physical connection
D. NIC Drivers uninstalled
ANSWER: NIC Drivers uninstalled

It is the core component of the optical access network, equivalent to a switch or router in a traditional communication network, and typically placed at the central office or ISP.

A. Optical Distribution Network
B. Optical Network Terminal
C. Optical Network Unit
D. Optical Line Terminal
ANSWER: Optical Line Terminal

What is the default port number for POP3?

A. 143
B. 110
C. 101
D. 25
ANSWER: 110

What type of cable is used to connect from the DSL modem going to the ISP line?

A. Fiber optic cable
B. Co-axial cable
C. Ethernet cable / RJ45 cable
D. Phone Cable / RJ11 cable
ANSWER: Phone Cable / RJ11 cable

A network needs a Default Gateway with or without an internet connection.

A. True
B. False
ANSWER: False

The following are examples of WAN Technologies, EXCEPT:

A. DSL Technology
B. Wireless 802.11 Technology
C. Fiber Internet
D. Cable Technology
ANSWER: Wireless 802.11 Technology

It is impossible for a computer to get a 'Unidentified Network' error for an Ethernet connection.

A. True
B. False
ANSWER: False

Does WAN require more expensive media than LAN?

A. Yes, it does.
B. No, it doesn't.
ANSWER: Yes, it does.

What type of Fiber Network has the fiber line distributed throughout the building by copper lines and is popular for apartment buildings, hotels, schools, or buildings with several businesses?

A. FTTB: Fiber to the Building
B. Fiber Internet
C. FTTP/FTTH/FTTB/FTTD: Fiber to the premise, home, business, or desktop
D. FTTC/FTTN/FTTS: Fiber to the cabinet/curb, neighborhood, or street
ANSWER: FTTB: Fiber to the Building

What application is used to display web pages from a web server?

A. Email Client
B. command prompt
C. Browser
D. VPN
ANSWER: Browser

What does UTP mean?

A. Unified Shielded Pair
B. Unified Twisted Pair
C. Unshielded Twisted Pair
D. Unshielded Total Pair
ANSWER: Unshielded Twisted Pair

What is the maximum length an RJ45 cable can have when connecting two network segments in a LAN?

A. 80 km
B. 90 m
C. 100 km
D. 100 m
ANSWER: 100 m

How many bytes does an IPv4 Address have?

A. 32
B. 4
C. 16
D. 8
ANSWER: 4

What type of connector terminates a CAT 5 cable?

A. Registered Jack 45
B. Registered Jack 11
C. Registered Jack 35
D. Registered Jack 25
ANSWER: Registered Jack 45

A network utility used to identify the path that a packet travels across an IP network.

A. nslookup
B. ping
C. tracert
D. ding
ANSWER: tracert

What is the network address of 192.20.5.59 if its subnet mask is 255.255.255.0?

A. 192.20.5.1
B. 192.20.0.0
C. 192.20.1.1
D. 192.20.5.0
ANSWER: 192.20.5.0

In the US, how many wireless channels are made available for the 2.4 GHz frequency spectrum?

A. 11
B. 12
C. 14
D. 13
ANSWER: 11

Among the common WAN Technologies, Fiber Internet is the most popularly used.

A. True
B. False
ANSWER: True

What technology is applied in 802.11n that allows wireless data transmission way faster compared to the previous standards?

A. MMIO
B. MOMI
C. MIMO
D. MEMO
ANSWER: MIMO

What is the maximum data rate for IEEE 802.11b standard?

A. 24 Mbps
B. 11 Mbps
C. 54 Mbps
D. 21 Mbps
ANSWER: 11 Mbps

What network provides remote offices or traveling users access to a central organizational network using the internet?

A. CAN
B. PAN
C. VPN
D. LAN
ANSWER: VPN

You need an ISP to access the Internet.

A. True
B. False
ANSWER: True

An IP Address should be unique in a network.

A. True
B. False
ANSWER: True

What does WEP mean?

A. Wi-Fi Equality Privacy
B. Wired Equality Privacy
C. Wired Equivalent Privacy
D. Wireless Equivalent Privacy
ANSWER: Wired Equivalent Privacy

Wireless controllers are LAN devices which are used to manage wireless access points in a wireless network.

A. True
B. False
ANSWER: True

It is a network device that facilitates data flow and transmission in a WAN?

A. hub
B. server
C. router
D. switch
ANSWER: router

What is the latest version of Android OS?

A. Android 18.5
B. Android 16
C. Android 18
D. Android 15
ANSWER: Android 16

You will do these in a network cable unplugged error, EXCEPT:

A. replace Ethernet cable
B. reseat RJ45 cable
C. reseat RJ11 cable
D. check speed and duplex
ANSWER: reseat RJ11 cable

What device facilitates wireless communication in a WLAN network and is equivalent to a switch in a wired network?

A. Wireless Transmitter
B. Wireless Router
C. Wireless Access Point
D. Wireless Spectrum
ANSWER: Wireless Access Point

These are the most expensive fiber connections for ISPs because they use pure fiber straight to your residence, with no copper cables involved.

A. FTTB: fiber to the building
B. FTTC/FTTN/FTTS: Fiber to the cabinet/curb, neighborhood, or street
C. All of the options are correct
D. FTTP/FTTH/FTTB/FTTD: Fiber to the premise, home, business or desktop
ANSWER: FTTP/FTTH/FTTB/FTTD: Fiber to the premise, home, business or desktop

What is the transmission that allows nodes to have two-way and simultaneous communication?

A. simplex
B. full duplex
C. multiplex
D. half duplex
ANSWER: full duplex

What software application filters incoming and outgoing traffic in a regular computer?

A. Browser
B. Splitter
C. Proxy Server
D. Firewall
ANSWER: Firewall

What WAN technology provides high-speed internet connection over a standard telephone line?

A. Cable
B. ISP
C. Fiber
D. DSL
ANSWER: DSL

What device enables a workstation, server, printer or another node to receive and transmit data over the network media?

A. Intermediary Devices
B. Random Access Memory
C. Network Interface Card
ANSWER: Network Interface Card

How many valid IP addresses are in the network address 192.168.0.0 with a subnet mask of 255.255.255.0?

A. 192
B. 254
C. 168
ANSWER: 254

What browser setting can you set to disallow automatic browser windows from opening?

A. Security settings
B. Pop-up blocker setting
C. Privacy Settings
D. Proxy Settings
ANSWER: Pop-up blocker setting

What is the default browser for Mac?

A. Opera
B. Mozilla Firefox
C. Flock
D. Safari
ANSWER: Safari

What software application is used to display webpages?

A. Wordpad
B. Browser
C. Notepad
D. Proxy Server
ANSWER: Browser

What wireless mode connects wireless-capable devices to a centralized device called an access point?

A. Wireless Signal Mode
B. Wireless Infrastructure Mode
C. Wireless Ad-hoc Mode
D. Wireless On Demand Mode
ANSWER: Wireless Infrastructure Mode

It is a server that serves as an intermediary between the client and the real server.

A. DHCP Server
B. Web Server
C. DNS Server
D. Proxy Server
ANSWER: Proxy Server

If www.yahoo.com is pingable, then the default gateway should be pingable as well.

A. True
B. False
ANSWER: True

What class does an Automatic Private IP Address belong to?

A. Class B
B. Class C
C. Class D
D. Class A
ANSWER: Class B

What type of Ethernet cable is used to connect dissimilar devices?

A. straight-cross cable
B. crossover cable
C. straight-parallel cable
D. straight-through cable
ANSWER: straight-through cable

Which of these IP addresses DO NOT belong to the Private IP Address range?

A. 10.21.34.1
B. 193.168.21.2
C. 172.31.10.123
D. 192.168.21.34
ANSWER: 193.168.21.2

What network component defines how, physically and logically, the network devices are connected with each other?

A. Network Topology
B. Network Protocol
C. Network Message
D. Network Devices
ANSWER: Network Topology

What system or service defines the mapping of a domain name to an IP address?

A. Default Gateway
B. NAT
C. DNS
D. DHCP
ANSWER: DNS

What window do you open to check if the Network Interface Card (NIC) was really installed in a Windows-based computer?

A. System Preferences
B. Network Connection
C. Device Manager
D. Control Panel
ANSWER: Device Manager

Which type of IP address is considered to be non-routable?

A. IPv6 Address
B. IPv4 Address
C. Private IP Address
D. Public IP Address
ANSWER: Private IP Address

What type of Ethernet cable is used to connect similar devices?

A. straight-parallel cable
B. straight-cross cable
C. crossover cable
D. straight-through cable
ANSWER: crossover cable

No two networks are alike.

A. True
B. False
ANSWER: True

Which of the following is an example of a UTP cable?

A. Fiber Optic Cable
B. Cat 5 Cable
C. Serial Cable
D. Coaxial Cable
ANSWER: Cat 5 Cable

When will you manually authenticate a customer?

A. Able to browse but can't connect to VPN
B. VPN connection established but can't send and receive email
C. Browser doesn't work without VPN connection
D. Able to browse but can't send an email
ANSWER: Browser doesn't work without VPN connection

What Windows utility contains a list of all the hardware installed and their status in a Windows computer?

A. CD-ROM
B. Device manager
C. Control panel
D. CPU
ANSWER: Device manager

What network component facilitates how devices communicate in a network?

A. Network Message
B. Network Topology
C. Network Protocol
D. Network Devices
ANSWER: Network Protocol

What protocol defines the process of how a client acquires an IP address from a server?

A. APIPA
B. IP
C. DHCP
D. NAT
ANSWER: DHCP

A wireless network name can also be called an SSID. What is the meaning of SSID?

A. Service Set Identifier
B. System Set Identifier
C. Service Switch Identifier
D. Set Service Identifier
ANSWER: Service Set Identifier

An Ethernet puck/passthrough creates an extension of an Ethernet cable connection.

A. True
B. False
ANSWER: True

What IEEE standard defines Ethernet?

A. IEEE 802.4
B. IEEE 802.11
C. IEEE 802.3
D. IEEE 802.2
ANSWER: IEEE 802.3

What type of networks are usually located in just one building and are private in nature?

A. MAN
B. CAN
C. WAN
D. LAN
ANSWER: LAN

What do you call an organization that provides internet access and other services to consumers?

A. ISP
B. HSIA
C. ICANN
D. IANA
ANSWER: ISP

Which network device is considered the older and dumber version of a switch?

A. hub
B. router
C. server
D. switch
ANSWER: hub

What does pinging the default gateway prove?

A. LAN Connectivity
B. DNS Server Connectivity
C. Proxy Server Connectivity
D. WAN connectivity
ANSWER: LAN Connectivity

The error 'ping request could not find host' signifies a name resolution issue.

A. True
B. False
ANSWER: True

A network utility used to check if a network host/node is reachable in the network and provides feedback on the network's performance.

A. tracert
B. nslookup
C. ding
D. ping
ANSWER: ping

What does POP mean?

A. Post Office Protocol
B. Post Outgoing Protocol
C. Post Open Protocol
D. Post Over Protocol
ANSWER: Post Office Protocol

What is the equivalent of Command Prompt for Windows in a Mac computer?

A. Station
B. Terminal
C. Diags
D. Dock
ANSWER: Terminal

Local Area Network (LAN) is a private network owned and maintained by a single organization.

A. True
B. False
ANSWER: True

Pinging yahoo.com proves the following EXCEPT:

A. WAN connectivity
B. Proxy Server Connectivity
C. LAN Connectivity
D. DNS Server connectivity
ANSWER: Proxy Server Connectivity

The IP address range 169.254.x.x is an invalid IP address range.

A. True
B. False
ANSWER: True

What is the latest version of iOS?

A. iOS 26
B. iOS 19
C. iOS 18.5
D. iOS 25
ANSWER: iOS 26