Computer Networking Which of the following network access standard is used for connecting stations to a circuit-switched network? X.25 X.75 X.3 None of these X.21 X.25 X.75 X.3 None of these X.21 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which statements are true regarding ICMP packets?1. ICMP guarantees datagram delivery.2. ICMP can provide hosts with information about network problems.3. ICMP is encapsulated within IP datagrams.4. ICMP is encapsulated within UDP datagrams. 1 only 1 and 4 2 and 3 All of these 1 only 1 and 4 2 and 3 All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What frequency range is used for microwave communications, satellite and radar? Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz Low Frequency : 30 kHz to 300 kHz Medium Frequency : 300 kHz to 3 MHz None of these Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz Low Frequency : 30 kHz to 300 kHz Medium Frequency : 300 kHz to 3 MHz None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A remote batch-processing operation in which data is solely input to a central computer would require a: All listed here simplex lines telegraph line None of these mixedband channel All listed here simplex lines telegraph line None of these mixedband channel ANSWER DOWNLOAD EXAMIANS APP
Computer Networking For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for? None of these Registered source Recognised standard Recommended standard Random sequence None of these Registered source Recognised standard Recommended standard Random sequence ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model? IPSec HDLC xDSL VPN Cable IPSec HDLC xDSL VPN Cable ANSWER DOWNLOAD EXAMIANS APP
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