Category - Interview Question

Short Question CCNA Part 7

63 – What we called 64 Bit Mac-address in IPV6?

EUI= Enhanced universal identifier – 16 bits add in IPv6 so it’s called EUI

64 – What is loop back IP in IPV6?

::1 and ping 6

65- Which command we use for ping in IPv6?

Ping6 source IP -s Destination IP

66- How many types of router?

Two types

i) Modular

ii) Non-Modular

67- When we use Router?

For communication between different networks

68- Which works router Do ?

1- Path selection and

2- Packet Switching {frame relay}

69 – What cable called V.35 ?

Serial Connectivity cable

70- How many types of Ethernet?

4 types

i) Ethernet

ii) Fast Ethernet

iii) Gigabit

iv) 10 Giga.

71 – Which cable called roll-over?

Console access able

72- Which cable we connect in DB-9 ?

Roll over calbe

73- How many ways to access router?

3 ways

i) Telnet (IP)

ii) AUX (Telephone)

iii) Console (cable)

74- What is IOS?

Internet Operating system. Its router’s operating system.

75 – In which IOS version 182 people can access router through telenet ?

Onward 12.2 version

76- Which mode called privilege mode?

Second mode

77- When we use interface mode?

For specific interface commands

78- On Which mode we give debug command?

Privilege mode / live view (2^nd mode)

79- Which command we give on privilege mode for coming back to user execution mode?

Disable

80- Which mode we can’t skip when we come back from interface mode?

2nd mode we can’t skip

Short Question CCNA IP

161- In stead of 0.0.0.0 wild card mask what u can write after IP?

Host

162- In which Access- list type you can’t do editing?

Standard and Extended

163- In port based Access-List which command u give instead of IP?

TCP(TRANSMISSION CONTROL PROTOCOL)

164- What does EQ means?

EQUAL TO

165- Which reserve port Number Talent use?

166- Which reserve port NO HTTP use?

167-How many types of NAT?

i) Static

ii) NAT

iii) Dynamic NAT

iv) PAT (Port Address Translation)

168- What is overlaod?

It’s another name of PAT (Port Address Translation)

170- Which 2 Protocols are in WAN technology?

i) HDLC ( High Level Data Link Control )

ii) PPP (Point to Point Protocol)

171- How many types of ends in WAN?

i) DTE (Data Terminal Equipment

ii) DCE (Data Communication Equipment)

(1)DTE (DATA TERMINAL EQUIPMENT)(2)DCE(DATA COMMUNICATION EQUIPMENT)

Short Question CCNA EIGRP

146- After how long keep alive messages exchange in EIGRP?

5 SECONDS

147- Which type of updates EIGRP protocol do?

INCREMENTAL UPDATES (CHANGE BASE)

148- What is the draw back of EIGRP protocol?

CONFIGURE ONLY ON CISCO ROUTERS

149- What is the matric of EIGRP protocol?

i) Bandwidth

ii) Load

iii) Delay

iv) Reliability

v) MTU

vi) Maximum Transmission Unit

150- In EIGRP metric parameters which 2 Options are enable by default?

i) Bandwidth

ii) Delay

151- Which protocol can do load balancing on unequal cost also?

EIGRP

152- 1350 value in which type of Access-list?

STANDARD ACCESS-LIST

153- 1900 value in which type of Access list?

STANDARD ACCESS-LIST

154- 2500 value in which type of Access list?

EXTENDED ACCESS-LIST

155- What is the difference between named and Extended ACL?

In named Access-list we can edit and also give name

156- When we use standard Access-List?

When there is no Destination

157- When we use extended Access-List?

When there is source and Destination

158- What is the default behavior of Access-List?

Deny

159- On which interface we always Apply Access-List?

Fast Ethernet

160- Wild card mask always in odd value or even

ODD

Short Question of CCNA OSPF

123- On which bas OSPF take decision?

LINK COST

124- What is default cost of serial interface in OSPF?

126- How many types of OSPF Configuration?

There are Two Types

A ) SINGLE AREA

b) MULTI AREA

127- What is hold down time formula of OSPF?

HELLO PACKETS*4=40SECONDS

128 – What is the default bandwidth size of T1 Routers?

1544BYTES

129- If bandwidth will increase what will happen?

SERIAL COST WILL DECREASE

130- What is the command for change serial cost?

IP OSPF COST (which want to set)

131- When DR communicate with BDR which multicast ip it use ?

224.0.0.6

132- What is the draw back of OSPF protocol?

i) Single Area

ii) High Hardware Requirements

iii) Troubleshooting

133- Which protocol comes under Hybrid dynamic type?

EIGRP (ENHANCED INTERIOR GATEWAY ROUTING PROTOCOL)

134- Which protocol works only on Cisco routers?

EIGRP (ENHANCED INTERIOR GATEWAY ROUTING PROTOCOL)

135- What is the size of Hello Packets in EIGREP protocol?

50 BYTES

136- How much hold down time of EIGREP protocol?

15 SECONDS

137- Formula of Hold down time of EIGRP protocol?

HELLO PACKETS*5=15SECONDS

138- After how long EIGRP protocol Advertise its routing table?

5SECONDS

139- Which multicast IP EIGRP protocol use?

224.0.0.10

140- Which protocol called Rapid protocol?

EIGRP

141-What is the name of Algorithm of EIGRP protocol?

DUAL(DIFFUSING UPDATES ALGORITHM)

142- How many hop counts are by default and how much you can increase in EIGRP protocol?

By default 100 counts, and maximum 25

143- How much internal and External AD of EIGRP protocol?

Internal =90 and Externa =170

144- What is the name of best path in EIGRP protocol?

SUCCESSOR

145- What is the second best path name of EIGRP?

FEASIBLE SUCCESSOR