21. On Ethernet adapters have unique hardware address coded into their_______
- a) Software
- b) Hardware
- c) Firmware
- d) None of this
Answer: C - Ethernet adapters have unique MAC addresses coded into their firmware (ROM) by the manufacturer.
22. ADSL 'A' stands for_______
- a) Automatic
- b) Asimetric
- c) Audio
- d) Area
Answer: D - ADSL 'A' stands for Asymmetric (Asymmetric Digital Subscriber Line), not Area.
23. What PPP protocol provides dynamic addressing, authentication, and multilink?
- a) NCP
- b) HDLC
- c) LCP
- d) X.25
Answer: C - LCP (Link Control Protocol) provides dynamic addressing, authentication, and multilink capabilities in PPP.
24. Videotax is combination of_______
- a) communication
- b) television
- c) computer technology
- d) all of above
Answer: D - Videotex combines communication, television, and computer technology for information retrieval.
25. NETBUEI is a_______
- a) Command
- b) Protocol
- c) Valu
- d) Line
Answer: B - NetBEUI (NetBIOS Extended User Interface) is a network protocol used in early Windows networks.
26. How many broadcast domains are created when you segment a network with a 12-port switch?
- a) 1
- b) 2
- c) 5
- d) 12
Answer: A - A switch creates only 1 broadcast domain by default (all ports share the same broadcast domain).
27. Bluetooth transceiver devices operate in ______ band.
- a) 2.4 GHz ISM
- b) 2.5 GHz ISM
- c) 2.6 GHz ISM
- d) 2.7 GHz ISM
Answer: A - Bluetooth devices operate in the 2.4 GHz ISM (Industrial, Scientific, Medical) band.
28. Wi-Fi networks can connect to conventional Ethernet networks_______
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: A - TRUE. Wi-Fi networks can connect to Ethernet networks via wireless access points (WAPs) and bridges.
29. Where is a hub specified in the OSI model?
- a) Session layer
- b) Physical layer
- c) Data Link layer
- d) Application layer
Answer: B - A hub operates at the Physical layer (Layer 1) of the OSI model, simply repeating electrical signals.
30. Frequency range 300 kHz to 3 MHz is used for_______
- a) AM radio transmission
- b) FM radio transmission
- c) TV radio transmission
- d) None of above
Answer: A - The frequency range 300 kHz to 3 MHz (MF band) is used for AM radio transmission.
31. Ping is a command_______
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: A - TRUE. Ping is a network diagnostic command used to test connectivity between devices.
32. Computer Consists of Multiple Computers !! State whether following statement is true or false ?
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: A - TRUE. A computer network consists of multiple computers connected together for communication.
33. To check IP address which command are used_______
- a) Ping
- b) Config
- c) Del
- d) ipconfig
Answer: D - ipconfig (Windows) or ifconfig (Linux) command is used to check IP address configuration.
34. LANs in different locations can be connected together from_______
- a) WAN
- b) MAN
- c) Extranet
- d) None of this
Answer: A - LANs in different locations are connected together using WAN (Wide Area Network) technology.
35. LAN tester used in network cable check_______
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: A - TRUE. A LAN tester is used to check network cables for continuity, wiring errors, and connectivity.
36. Insulated wires within a protective casing is called_______
- a) Coaxial cable
- b) Twisted pair cable
- c) Fiber optic
- d) None of this
Answer: B - Twisted pair cable consists of insulated copper wires twisted together within a protective casing.
37. Which of the following is an example of a standard IP access list?
- a) access-list 110 permit host 1.1.1.1
- b) access-list 1 deny 172.16.10.1 0
- c) access-list 1 permit 172.16.10.1 255.255
- d) access-list standard 1.1.1.1
Answer: B - Standard IP access lists use numbers 1-99 and filter based on source IP address only.
38. Frames from one LAN can be transmitted to another LAN via the device_______
- a) Router
- b) Bridge
- c) Repeater
- d) Modem
Answer: B - A bridge connects multiple LAN segments and forwards frames between them at the Data Link layer.
39. IP protocol is responsible for transporting data between network devices
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: A - TRUE. The Internet Protocol (IP) is responsible for routing and transporting data between network devices.
40. Full form of ADSL is ?
- a) Automatic digital subscriber Line
- b) Asymmetric digital subscriber line
- c) Automatic Digital Static Line
- d) Automatic Digital Satellite Line
Answer: B - ADSL stands for Asymmetric Digital Subscriber Line, offering different upload and download speeds.