121. A _____ forwards data between IP networks
- a) Router
- b) Gateway
- c) Bridge
- d) None of this
Answer: B - A Gateway forwards data between different IP networks, translating protocols when necessary.
122. 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.
123. WPA2 is a Router Wi-Fi security system.
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: A - TRUE. WPA2 (Wi-Fi Protected Access 2) is a security protocol used for router WiFi networks.
124. 10.10.0.1 are ________ class IP address
- a) A
- b) B
- c) C
- d) D
Answer: A - 10.10.0.1 is a Class A IP address (10.0.0.0 to 10.255.255.255 range).
125. Network HUB better than Switch.
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: B - FALSE. Switches are better than hubs because they provide dedicated bandwidth and reduce collisions.
126. Bridge connects two Wide area network
- a) 2
- b) TRUE
- c) N.A.
- d) N.A.
Answer: B - TRUE. A bridge connects two network segments, including Wide Area Networks (WANs).
127. For established a LAN you must this device______
- a) Hammer
- b) Plus
- c) Crimping tool
- d) Screw driver
Answer: C - A crimping tool is essential for establishing a LAN to attach RJ45 connectors to Ethernet cables.
128. ADSL "A" stands for______
- a) Automatic
- b) Asymmetric
- c) Audio
- d) Area
Answer: B - ADSL 'A' stands for Asymmetric (Asymmetric Digital Subscriber Line), offering different upload/download speeds.
129. Bluetooth uses______
- a) Frequency hopping spread spectrum
- b) Orthogonal frequency division multiplexing
- c) Time division multiplexing
- d) None of the mentioned
Answer: A - Bluetooth uses Frequency Hopping Spread Spectrum (FHSS) to avoid interference and improve security.
130. Router is network device.
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: A - TRUE. A router is a networking device that forwards data packets between computer networks.
131. Choose odd one______
- a) Bus Hubs
- b) Enterprise Hubs
- c) Low-end standalone hubs
- d) Stackable hubs
Answer: A - "Bus Hubs" is the odd one out as it is not a standard hub classification; others are real hub types.
132. CAT5E Wire are 8 wire and 4 pair______
- a) Yes
- b) No
- c) N.A.
- d) N.A.
Answer: A - Yes, CAT5E cable contains 8 wires arranged as 4 twisted pairs.
133. 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.
134. A central computer surrounded by one or more computers is called______
- a) Ring network
- b) Bus network
- c) Star network
- d) All of above
Answer: C - A central computer connected to multiple computers describes a star network topology.
135. CISCO Router are manageable?
- a) YES
- b) NO
- c) N.A.
- d) N.A.
Answer: A - YES. Cisco routers are fully manageable via CLI, SNMP, and various management protocols.
136. 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.
137. Multiple users can contribute to a single document using collaboration features.
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: A - TRUE. Collaboration features (like Google Docs, Office 365) allow multiple users to contribute to a single document.
138. 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.
139. Computer Network can save lot of money on Resources such as printers, scanners.
- a) TRUE
- b) FALSE
- c) N.A.
- d) N.A.
Answer: A - TRUE. Networks allow resource sharing (printers, scanners), reducing costs by sharing peripherals.
140. A single piece of cable winds from station to station used in______
- a) Ring
- b) Star
- c) Bus
- d) Tree
Answer: C - Bus topology uses a single cable (backbone) that winds from station to station.