CS 53001 - Computer Networks 1. 2. 3. 4. 5. Home My courses CS 53001(E17) Quizzes and Assignments Quiz-02 Started on State Completed on Time taken Tuesday, 15 March 2022, 2:10 PM Finished Tuesday, 15 March 2022, 3:00 PM 49 mins 20 secs Question 1 Complete Marked out of 1.00 Flag question Question text Which of the following statement is wrong about TCP protocol? a. connection oriented b. unreliable c. Transport layer protocol d. Process-to-process Question 2 Complete Marked out of 1.00 Flag question Question text We need -------- for storage since, TCP process may or may not write the data at the same speed? a. Stacks b. Segments c. Packets d. Buffers Question 3 Complete Marked out of 1.00 Flag question Question text Which layer is responsible for flow control in Computer Networks? a. Session layer b. Datalink layer c. Application layer d. Network layer Question 4 Complete Marked out of 1.00 Flag question Question text Which of the following protocol is used for remote terminal connection service? a. SFTP b. Telnet c. UDP d. RARP Question 5 Complete Marked out of 1.00 Flag question Question text What is the protocol providing service to FTP protocol? a. None of the above b. UDP c. IP d. TCP Question 6 Complete Marked out of 1.00 Flag question Question text If the frame numbers range from 0 to 15 in a sliding window protocol which uses Go Back N mechanism, what is the sender size of the window? a. 16 b. 17 c. 15 d. 1 Question 7 Complete Marked out of 1.00 Flag question Question text A sender has a sliding window size of 10. First 10 frames are sent. The first ACK received is ACK 10. So, what frame(s) the receiver has accepted? a. frame 9 b. frames 0 to 9 c. frames 0 to 10 d. frame 10 Question 8 Complete Marked out of 1.00 Flag question Question text What is the drawback in stop and wait protocol? a. Drop packets b. Reliability c. Attenuation d. Inefficiency Question 9 Complete Marked out of 1.00 Flag question Question text Suppose a TCP connection is transferring a file of 1000 bytes. The first byte is numbered 10001. What is the sequence number of the segment if all data is sent in only one segment? a. 12001 b. 11001 c. 12000 d. 10001 Question 10 Complete Marked out of 1.00 Flag question Question text A ------------ server is a computer whose zone system is consisting of the whole tree. a. root b. zone c. Domain d. primary Question 11 Complete Marked out of 1.00 Flag question Question text What is used to check the safe and sound arrival of the data in order to achieve reliable transport in TCP protocol? a. Segments b. Buffer c. Packet d. Acknowledgment Question 12 Complete Marked out of 1.00 Flag question Question text What is the name of the regulation that decides how much amount of data to be sent? a. Error control b. Flow control c. Line discipline d. All of the above Question 13 Complete Marked out of 1.00 Flag question Question text POP3 and IMAP are protocols of the type of? a. Push b. None of the above c. Pull and Push d. Pull Question 14 Complete Marked out of 1.00 Flag question Question text If 150 good frames were sent and received in stop and wait flow control technique, how many ack frames were sent by the receiver? a. 200 b. 150 c. 149 d. 151 Question 15 Complete Marked out of 1.00 Flag question Question text What is the resolution method in which the resolver expects the server to supply the final answer? a. Recursive b. Iterative c. None of the above d. Straight Question 16 Complete Marked out of 1.00 Flag question Question text How do you refer the resolution method in which the server returns the IP address of the server that it thinks can resolve the query? a. None of the above b. Iterative c. Straight d. Recursive Question 17 Complete Marked out of 1.00 Flag question Question text Which one of the following statement is true about transport layer? a. node to node communication b. It deals with application to application communication c. It deals with process to process communication d. Man to man communication Question 18 Complete Marked out of 1.00 Flag question Question text Which of the following length will be described by the field "Total length" in the UDP header? a. Only data b. UDP header plus data c. Only UDP header d. Only checksum Question 19 Complete Marked out of 1.00 Flag question Question text Which one of the following is true about load shedding? a. It is one of the error control technique b. It will distribute choke packets to inform a warning state c. It is a packet discarding approach method d. It is one of the flow control technique Question 20 Complete Marked out of 1.00 Flag question Question text What type of communication is used in TCP protocol? a. Half duplex b. Semi duplex c. Byte by byte d. Full duplex Question 21 Complete Marked out of 1.00 Flag question Question text How many numbers of characters are normally used in country abbreviations in country domains of DNS? a. Four b. Two c. Three d. Unlimited Question 22 Complete Marked out of 1.00 Flag question Question text What type of structure is used in DNS architecture? a. A linear list b. An inverted tree c. None of the above d. A three dimensional Question 23 Complete Marked out of 1.00 Flag question Question text Which of the following command will describe the ospf adjacencies? a. Show ip route b. Show ip ospf c. Show ip ospf interface d. Show ip ospf neighbor Question 24 Complete Marked out of 1.00 Flag question Question text Which one of the following is not an application of UDP protocol? a. DNS b. Email applications c. SNMP d. Video broadcasting Question 25 Complete Marked out of 1.00 Flag question Question text Which one of the following protocol is not used in congestion control? a. Sliding window protocol b. Load shedding c. Traffic aware routing d. Admission control Question 26 Complete Marked out of 1.00 Flag question Question text What is the length of the UDP header? a. 16 bytes b. 8 bytes c. 8 bits d. 32 bits Question 27 Complete Marked out of 1.00 Flag question Question text Stop and wait method is same as sliding window method with what window size? a. Above statement is False b. 2 c. 0 d. 1 Question 28 Complete Marked out of 1.00 Flag question Question text If a segment carries data with acknowledgment, this is called a. Pick pocketing b. Piggybacking c. Packet choking d. back packing Question 29 Complete Marked out of 1.00 Flag question Question text Which one of the following task is not done by data link layer? a. Framing b. Error control c. Channel coding d. Flow control Question 30 Complete Marked out of 1.00 Flag question Question text If 150 good frames were sent and received in sliding window method, how many ack frames were sent by the receiver? a. 151 b. some numbers less than or equal to 150 c. 150 d. 149
