Description : What is the maximum size of data that the application layer can pass on to the TCP layer below? a. Any size b. 216 bytes - size of TCP header c. 216 bytes d. 1500
Last Answer : a. Any size
Description : In a packet switching network, if the message size is 48 bytes and each packet contains a header of 3 bytes. If 24 packets are required to transmit the message, the packet size is ................ (1) 2 bytes (2) 1 byte (3) 4 bytes (4) 5 bytes
Last Answer : (4) 5 bytes
Description : Which of the following control fields in TCP header is used to specify the sender has no more data to transmit? (A) FIN (B) RST (C) SYN (D) PSH
Last Answer : (A) FIN
Description : In packet-filtering router, the following information can be external from the packet header. i) Source IP address ii) Destination IP address iii) TCP/UDP source port iv) ICMP message type v) TCP/UDP destination port A) i, ii ... and v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Last Answer : D) All i, ii, iii, iv and v
Description : Which of the following is not the layer of TCP/IP protocol? A) Application Layer B) Session Layer C) Transport Layer D) Internetwork layer
Last Answer : B) Session Layer
Description : Which of the following OSI layers correspond to TCP/IP's application layer? A) Application B) IP Address C) Session D) All of the above
Last Answer : D) All of the above
Description : TCP/IP ................. layer corresponds to the OSI models to three layers. A) Application B) Presentation C) Session D) Transport
Last Answer : A) Application
Description : In TCP/IP Reference model, the job of ............... layer is to permit hosts to inject packets into any network and travel them independently to the destination. (A) Physical (B) Transport (C) Application (D) Host-to-network
Last Answer : Answer: Marks to all
Description : Match the following Layers and Protocols for a user browsing with SSL: a. Application of layer i. TCP b. Transport layer ii. IP c. Network layer iii. PPP d. Datalink layer iv. HTTP
Last Answer : Answer: 1
Description : In IPv4, what is the value of the total length field in bytes if the header is 28 bytes and the data field is 400bytes? A) 428 B) 407 C) 107 D) 427
Last Answer : 428
Description : In IPv4, what is the value of the total length field in bytes if the header is 28 bytes and the data field is 400 bytes?
Description : An IP datagram of size 1000 bytes arrives at a router. The router has to forward this packet on a link whose MTU (maximum transmission unit) is 100 bytes. Assume that the size of the IP header is 20 bytes ... the IP datagram will be divided into for transmission is : a. 10 b. 50 c. 12 d. 13
Last Answer : d. 13
Description : The data unit in the TCP/IP layer called a ..... A) Message B) Segment C) Datagram D) Frame
Last Answer : D) Frame
Description : Header of a Layer two frame usually contain ______________ A. synchronization bytes B. addresses C. frame identifier D. all of the mentioned
Last Answer : D. all of the mentioned
Description : The order of a leaf node in a B+ tree is the maximum number of children it can have. Suppose that block size is 1 kilobytes, the child pointer takes 7 bytes long and search field value takes 14 bytes long. The order of the leaf node is ............ (1) 16 (2) 63 (3) 64 (4) 65
Last Answer : Answer: All
Description : Consider a 32 - bit microprocessor, with a 16 - bit external data bus, driven by an 8 MHz input clock. Assume that the microprocessor has a bus cycle whose minimum duration equals four input clock cycles. What ... (A) 8x106 bytes/sec (B) 4x106 bytes/sec (C) 16x106 bytes/sec (D) 4x109 bytes/sec
Last Answer : (B) 4x106 bytes/sec
Description : The IPv4 header size _______ A. is 20 to 60 bytes long B. is always 20 bytes long C. is always 60 bytes long D. depends on the MTU
Last Answer : A. is 20 to 60 bytes long
Description : The most important and common protocols associated TCP/IP internetwork layer are. i) Internet protocol(IP) ii) Internet control Message Protocol(ICMP) iii) Bootstrap Protocol (BooTP) iv) Dynamic Host Configuration Protocol (DHCP) v) ... C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Description : The most important and common protocols associated TCP/IP internetwork layer are. i) Internet Protocol (IP) ii) Internet Control Message Protocol (ICMP) iii) Bootstrap Protocol (BOOTP) iv) Dynamic Host Configuration Protocol (DHCP) V) ... C) i, iii, iv and v only D) All i, ii, iii, iv and v only
Last Answer : D) All i, ii, iii, iv and v only
Description : Which of the transport layer protocols is connectionless? A) UDP B) TCP C) FTP D) Nvt
Last Answer : A) UDP
Description : Which of the following is not a field in TCP header? a. Sequence number b. Fragment offset c. Checksum d. Window size
Last Answer : b. Fragment offset
Description : How much space will be required to store the bit map of a 1.3 GB disk with 512 bytes block size ? (A) 332.8 KB (B) 83.6 KB (C) 266.2 KB (D) 256.6 KB
Last Answer : (A) 332.8 KB
Description : For the implementation of a paging scheme, suppose the average process size be x bytes, the page size be y bytes, and each page entry requires z bytes. The optimum page size that minimizes the total overhead due to the page ... fragmentation loss is given by (A) x/2 (B) xz/2 (C) √2xz (D) (√xz)/2
Last Answer : (C) √2xz
Description : A memory management system has 64 pages with 512 bytes page size. Physical memory consists of 32 page frames. Number of bits required in logical and physical address are respectively: (1) 14 and 15 (2) 14 and 29 (3) 15 and 14 (4) 16 and 32
Last Answer : (3) 15 and 14
Description : In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is ____________ a.Application layer b.Transport layer c.Link layer d.Session layer
Last Answer : a.Application layer
Description : The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model. a.data link b.network c.physical d.application
Last Answer : d.application
Description : .In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is ____________ a. Application layer b. Transport layer c. Link layer d. Session layer
Last Answer : a. Application layer
Description : ______________ is useful for time-sensitive application that have very small data units to exchange and do not want the overhead of connection setup. A. TCP B. UDP C. Transport layer D. None of the above.
Last Answer : B. UDP
Description : What is the commonly used unit for measuring the speed of data transmission? A) Bytes per second B) Baud C) Bits per second
Last Answer : B) Baud
Description : Suppose that the time to do a null remote procedure call (RPC) (i.e, 0 data bytes) is 1.0 msec, with an additional 1.5 msec for every 1K of data. How long does it take to read 32 K from the file server as 32 1K RPCs? (A) 49 msec (B) 80 msec (C) 48 msec (D) 100 msec
Last Answer : (B) 80 msec
Description : Which of the following information about the UNIX file system is not correct? (A) Super block contains the number of i-nodes, the number of disk blocks, and the start of the list of free disk blocks. (B ... Each i-node is 256-bytes long. (D) All the files and directories are stored in data blocks.
Last Answer : (C) Each i-node is 256-bytes long.
Description : The Maximum payload of a TCP segment is (A) 65,535 (B) 65,515 (C) 65,495 (D) 65,475
Last Answer : (C) 65,495
Description : Which layer of OSI reference model is responsible for decomposition of messages and generation of sequence numbers to ensure correct re-composition from end to end of the network? (A) Physical (B) Data-link (C) Transport (D) Application
Last Answer : (C) Transport
Description : In IPv4 header, an HLEN value of decimal 10 means_______. A) there are 10bytes ofoptions B) there are 40bytes ofoptions C) there are 10bytes inthe header D) thereare 40 bytes in the header
Last Answer : thereare 40 bytes in the header
Description : Header of a frame generally contains a. synchronization bytes b. addresses c. frame identifier d. all of the mentioned
Last Answer : d. all of the mentioned
Description : In IPv4 header, an HLEN value of decimal 10 means _______ A. there are 10 bytes of options B. there are 40 bytes of options C. there are 10 bytes in the header D. there are 40 bytes in the header
Last Answer : D. there are 40 bytes in the header
Description : Header of datagram in IPv4 has _________ a) 0 to 20 bytes b) 20 to 40 bytes c) 20 to 60 bytes d) 20 to 80 bytes
Last Answer : c) 20 to 60 bytes
Description : In the TCP/IP protocol suite, which one of the following is NOT part of the IP header? a. Fragment Offset b. Source IP address c. Destination IP address d. Destination port number
Last Answer : d. Destination port number
Description : In packet-filtering router, the following information can be external from the packet header. i) Source IP address ii) Destination IP address iii) TCP/UDP source port iv) ICMP message type v) TCP/UDP destination port A) i, ii, ... iv and v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Description : State the use of 6 flags in TCP header.
Last Answer : There are 6, 1-bit control bits that control connection establishment, termination, abortion, flow control etc.. 1) URG: Urgent pointer If this bit field is set the receiving TCP should ... 6) FIN: No more data from sender. If this bit is set then it terminates the connection.
Description : An ACK number of 1000 in TCP always means that a. 999 bytes have been successfully received b. 1000 bytes have been successfully received c. 1001 bytes have been successfully received d. None of the above
Last Answer : d. None of the above
Description : Which of the following is not the layer of TCP/IP protocol? a. Application Layer b. Session Layer c. Transport Layer d. Internetwork layer
Last Answer : b. Session Layer
Description : TCP/IP layer corresponds to the OSI models to three layers. A) Application B) Presentation C) Session D) Transport
Description : Which of the following is/are example(s) of stateful application layer protocols? (i) HTTP (ii) FTP (iii) TCP (iv) POP3 a. (i) and (ii) only b. (ii) and (iii) only c. (ii) and (iv) only d. (iv) only
Last Answer : c. (ii) and (iv) only
Description : The TCP/IP …………corresponds to the combined session, presentation, and application layers of the OSI model. a.session layer b.presentation layer c.application layer d.None of the above
Last Answer : c.application layer
Description : Which of the following layers is an addition to OSI model when compared with TCP IP model? a. Application layer b. Presentation layer c. Session layer d. Session and Presentation layer
Last Answer : d. Session and Presentation layer
Description : Which is the additional layer to OSI model when compared with TCP IP model? a. Application layer b. Presentation layer c. Session layer d. Session and Presentation layer
Description : When displaying a web page, the application layer uses the _____________ A. HTTP protocol B. FTP protocol C. SMTP protocol D. TCP protocol
Last Answer : A. HTTP protocol