This post is a compilation of frequently asked questions on the Computer-based topic, 'Network Devices,' from previous year Kerala PSC questions for degree level PSC exams.
Previous Year Repeated PSC Questions on Network Devices
- The Gateway Internet Access Services (GIAS) of India is situated in – Mumbai. (Tradesman (Information Technology), 2016)
- Portable device for high-speed internet connection – Dongle. (Clerk cum Typist (Degree Level Main Exam), 2023)
- Weakening of signal power as light travels down in fibre optic cable is called as – Attenuation. (Junior Instructor (Network Technician), 2015)
Repeater
- Repeater operates on – Physical Layer. (Junior Instructor (Network Technician), 2015)
- A device which is used to boost the signal between two cable segments or wireless access points is – Repeater. (Programmer PSC, 2015)
- The primary function of a network repeater is to – Amplify and regenerate network signals. (IT Officer, 2023)
- Which among the following devices operates only used in physical layer? (Head of Section Computer Engineering, 2019)
- (A) Two layer switch (B) Router (C) Repeater (D) Bridge
Hub
- The device used to connect computers of the same network in a wired connection – Hub. (Tradesman (Computer Engineering), 2016)
- Active Hub serves as a – Both wiring as well as a repeater center. (Librarian Gr III, 2024)
- If a hub fails in this type of network, the whole system will shut down – Star. (Junior Instructor (Software Testing Assistant), 2019)
- Which of the following statements is/are false? (Degree Prelims Stage III, 2023)
- (i) Hub operates on data link layer while switch operates on physical layer.
- (ii) Hub is broadcast type transmission.
- (iii) Router operates on network layer.
- (A) (i) only (B) (i) and (ii) (C) (i), (ii) and (iii) (D) (ii) and (iii)
Bridge
- What device is utilized to interconnect similar LANs with identical protocols? Bridges. (Junior Systems Officer, 2024)
- A networking device used to connect similar types of LANs – Bridge. (Lab Technical Assistant Computer Application, 2017)
- Frames from one LAN can be transmitted to another LAN via a device called – Bridge. (Tradesman (Information Technology), 2016)
- ___________ operate at the physical and datalink layer of OSI model – Bridge. (Assistant Gr II Kerala Forest Development Corp, 2016)
- Which of the following devices will increase bandwidth and separating collision domains? (Junior Instructor (Network Technician), 2015)
- (A) Switch (B) Hub (C) Router (D) Bridge
Switch
- The network device used to connect multiple computers in a network is – Switch. (Computer Operator Information & Public Relations, 2016)
- A device which is used to boost the signal between two cable segments or wireless access points is – Switch. (Junior Inspector of Co-operative Societies, 2020)
- Device that helps prevent congestion and data collisions – Switch. (Range Forest Officer (By Transfer) Prelims, 2023)
- Which one changes the link-layer address of the source and destination packets? Switch. (Tradesman- Information Technology, 2023)
- Forwarding the frame into its different ports, after checking the source and destination address of a frame, is the responsibility of– Switch. (Tradesman- Information Technology, 2023)
Router
- The device that can interconnect two networks of the same type using the same protocol. The above-mentioned device is – Router. (Cashier/Field Officer, 2023)
- Best name for a junction that allows one to enter in to network or to exit out of the network – Router. (Junior Instructor (Network Technician), 2015)
- Router works at the _____ layer of the OSI model – 3rd. (Junior Instructor (Data Entry Operator), 2014)
- Which one regenerates the signal, check the network physical address of packets and check the network layer address? Router. (Tradesman Information Technology, 2023)
- A typical router in the core of the Internet has – (Junior Manager (Information Management), 2023)
- (A) Multiple network interfaces, each with its own IP address
- (B) Buffers to hold a queue of packets at input or output ports
- (C) A scheduling algorithm to determine which queued packet goes next
- (D) All of the above
- The input and output ports of a router perform the _____ layer functions – Physical and Data link. (Junior Instructor(Information Communication Technology System Maintenance), 2019)
- In ISO-OSI network architecture, routing is performed by – Network Layer. (Computer Operator Information & Public Relations, 2016)
- One of the following device works on the physical, data-link and network layer of the OSI model: (State Tax Officer 2023)
- (A) Hub (B) Router (C) Bridge (D) Switch
- Which of the following is not a switching system ? (Catalogue Assistant 2023)
- (A) Packet (B) Circuit (C) Router (D) Message
Gateway
- The device that is used to connect two different networks is called ____ – Gateway. (Time Keeper (Degree Level Main Exam), 2023)
- The network device which connects two dissimilar types of networks – Gateway. (Assistant/ LDC/Cashier/Branch Manager, 2024)
- A _________ is a passage to connect two networks together that may work upon different networking models – Gateway. (Station Officer(Trainee), 2023)
- Network device to translate one protocol into the other protocol is – Gateway. (Junior Instructor (Computer Operator & Programming Assistant), 2023)
- ____________ is a device that connects networks with different protocols – Gateway. (Higher Secondary School Teacher (Junior) Computer Science, 2023)
- A network device that connects dissimilar networks by providing the translation from one set of protocols to another is – Gateway. (Junior Instructor(Information Communication Technology System Maintenance), 2019)
- Which one of the following is a protocol converter which used to connect two systems, specifically if the systems use different protocols? (Junior Instructor (Computer Hardware & Network Maintenance), 2023)
- (A) Modem (B) Gateway (C) Switch (D) Router
- Best name for a junction that allows one to enter into a network or exit out of the network – Gateway. (Junior Instructor (Network Technician), 2015)
- _______ device can join a LAN to a WAN – Gateway. (Degree Level Prelims Stage II, 2023)
- Circuit-Level Gateways are – Firewall. (Workshop Instructor (Computer Hardware & Maintenance, 2024)
- വിവിധ തരത്തിലും പ്രോട്ടോക്കോളിലും പ്രവർത്തിക്കുന്ന കമ്പ്യൂട്ടർ ശൃഖലകളെ ബന്ധിപ്പിക്കാൻ ______ ഉപയോഗിക്കുന്നു – ഗേറ്റ് വേ. (Junior Assistant, 2023)
- താഴെ പറയുന്ന നെറ്റ്വർക്ക് ഉപകരണങ്ങളിൽ പ്രോട്ടോകോൾ പരിവർത്തനത്തിനു കഴിവുള്ളത് ആർക്കു? (LD Clerk, 2021)
- (A) റിപീറ്റർ (B) ബ്രിഡ്ജ് (C) റൗട്ടർ (D) ഗേറ്റ് വേ
Modem
- Modem was invented in – USA, 1950. (Deputy Manager, 2023)
- Modem stands for – Modulator Demodulator. (Instructor In Secretarial Practice, 2017)
- ………….enables computers to communicate via telephone line – Modem. (Data Entry Operator (Scheduled Tribe Development) 2013; Assistant Salesman, 2021)
- What are the functions of MODEM? (Junior Instructor (Computer Operator & Programming Assistant), 2023)
- (i) Analog Signal to Digital Signal
- (ii) Digital Signal to Analog Signal
- (iii) Analog Signal to Analog Signal
- (iv) Digital Signal to Digital Signal
- (A) Both (i) & (ii) (B) (i) Only (C) (iii) Only (D) Both (iv) & (iii)
- The device used to convert digital signal to analog is called – Modem. (Tradesman (Computer Engineering), 2016)
- A device that modulates signals to encode digital information and demodulates signals to decode the transmitted information – Modem. (Assistant - Universities in Kerala, 2016)
- The network device that both modulates and demodulates analog carrier signals for encoding and decoding digital information for Transmitting and Receiving – Modem. (Junior Instructor (Computer Hardware & Network Maintenance), 2023)
- The process of converting analogue signal into digital information is done by – Modem. (Computer Gr II (Printing), 2016)
- The transmission rate of data in a modem is measured in – bits per second. (Engineering Assistant (Electronics)/Overseer Gr I (Electronics), 2021)
NIC (Network Interface Devices)
- Expansion card that connects a computer to a network – Network Interface Card. (Tradesman Information Technology, 2023)
- The hardware component in the computer on a network which controls the flow of data regardless of wireless and topology used is – NIC. (Degree Level Prelims, Stage I, 2021)
- Manufacturers of Ethernet NICs request a block of Ethernet addresses from __________ to ensure that no two NICs have the same address – IEEE. (Workshop Instructor (Computer Hardware & Maintenance, 2024)
Miscellaneous
- Match the following (Project Assistant/ Unit Manager, 2023)
- i. Bridge a. Connects two different LAN working on same protocol
- ii. Gateway b. Connects two different networks works on different protocols
- iii. Modem c. Connects different devices to a network and make them communicate each other
- iv. Router d. Connect the devices to Internet
- Choose the correct option from the following
- (A) i-a, ii-b, iii-d, iv-c (B) i-b, ii-c, iii-d, iv-a
- (C) i-a, ii-d, iii-b, iv-c (D) i-b, ii-d, iii-c, iv-a
- Among the following list of network devices: (University Assistant (Main Examination), 2023)
- i. Repeater
- ii. Hub
- iii. Switch
- iv. Router
- Which of the following are considered as intelligent devices ?
- (A) i and iv only (B) i and ii only
- (C) iii and iv only (D)) ii and iii only