CCNA 1st Module Q and Ans

1 A series of related connection−oriented transmissions between two network nodes is a

Socket

Session 

 Handshake

 Virtual circuit

2 The transmission mode thats capable of transmitting in two directions but in only one direction at a time is?

 Full−duplex

 Simplex

 Half−duplex

 Full−nelson

3 On half−duplex transmission networks, which access method is used to avoid collisions?

 CSMA/CA

 CSMA/CD

 SDH (semi/demi/hemi)

 Ethernet

4 The transmission mode thats capable of transmitting in two directions simultaneously is?

 Full−duplex

 Simplex

 Half−duplex

 Half−nelson

5 Which of the following is not a bandwidth supported by full−duplex Ethernet networks?

 10 Mbps

 100 Mbps

 Gigabit Ethernet

 1.54 Mbps

6 Which of the following is not a Session layer protocol or service?

 NFS

 SQL

 FTP

 RPC

7 Which of the following is not a Presentation layer data conversion standard or function?

 ASCII

 MPEG

 EBCDIC

 Encryption

8 Which of the following is not an Application layer protocol or service?

 E−mail client

 SNMP

 FTP

 TCP/IP

9 Which layer of the OSI model is concerned with end−to−end delivery of data?

Session

 Transport

 Network

 Physical

10 Which of the following lists the layers of the OSI model in correct sequence, starting with Layer 1 and moving up?

 Data Link, Physical, Network, Session, Transport, Application, Presentation

 Physical, Network, Data Link, Transport, Session, Presentation, Application

 Physical, Data Link, Network, Transport, Session, Presentation, Application

 Application, Presentation, Session, Transport, Network, Data Link, Physical

11 Which of the following is not a function of the Transport layer?

Segment and assemble upper−layer applications

 Transport segments from one host to another

 Routing

 Error−recovery

12 Which of the following is not a Transport layer protocol?

TCP

 ARP

 UDP

 SPX

13 SPX is a protocol and its packets are tracked by a sequence number in each packet.?

Connectionless

 Best effort

 Connection−oriented

 Layer 3

14 A protocol that transmits data over a virtual circuit and has a process for error−recovery is

Connectionless

 Connection−oriented

 Congestionless

 Fully recoverable

A and C

 B and D

15 Which of the following protocols or standards is not connection−oriented?

TCP

SPX

 IPX

 X.25

16 Which of the following protocols is not connectionless?

 SPX

 UDP

 IPX

 IP

17 Only  protocols implement error recovery?

 Connection−oriented

 Connectionless

 Ethernet

 Frame relay

18 Which of the following is not an error checking method?.

 Parity bit

 Hash total

 Checksum

 CRC

20 Which of the following is not a flow control method?

Buffering

 Unbuffered

 Windowing

 Congestion avoidance

21 What are the two forms of parity bit error checking used to determine whether the correct number of bits in a transmission were received?

Even−parity

 Odd−parity

 Checksum

 CRC

22 Who assigns each portion of the MAC address?

First 24 bits IEEE, last 24 bits the manufacturer

 First 4 bytes IEEE, last 4 bytes the manufacturer

 First 12 bits the manufacturer, last 36 bits IEEE

 First 3 bytes Internic, last 3 bytes Cisco

23 Looking at an IPX address of 5ca9.0000.f0d3.76be, which portion is the network address and which is the node address?

5ca9.0000 network; f0d3.76be node

76be network; 5ca9.0000.f0d3 node

 5ca9 network; 0000.f0d3.76be node

 5ca9.0000.f0d3 network; 76be node

24 What is the binary equivalent of the dot decimal IP address 156.162.179.181?

10011100 10100010 10110011 10110101

 10011101 10100010 10110011 10110101

 10011100 10100011 10110011 10110101

 10011100 10100010 10111011 1011001

25 An IP address starting with a bit sequence in the first octet of 110 would fall into what IP address Class?

Class D or E

 Class C

 Class B

 Class A