CCNA MCQ
1.)
Which protocol working at the Transport layer
provides a connectionless service between hosts?
A.
IP
B.
ARP
C.
UDP
D.
TCP
2.)
If a host broadcasts a frame that includes a
source and destination hardware address, and its purpose is to assign IP
address to itself, which protocol at the network layer does the host use?
A.
RARP
B.
ARP
C.
ICMP
D.
IPX
3.)
What is the valid host range the IP address
172.16.10.28 255.255.255.240 is a part of?
A.)
172.16.10.20 through 172.16.10.22
B.)
172.16.10.1 through 172.16.10.255
C.)
172.16.10.16 through 172.16.10.23
D.)
172.16.10.17 through 172.16.10.30
4.) How many bytes is an Ethernet address?
A.
4
B.
32
C.
6
D.
48
5.) Frame relay technique is _____ ?
A.
Circuit switching
B.
Message switching
C.
Connection oriented packet switching
D.
Hybrid switching
6.) In OSI model which layer provide end-to-end
connectivity?
a.)
Data link layer
b.)
Transport layer
c.)
Network layer
d.)
Application layer
7.) Which protocol deals with emails?
a.)
FTP
b.)
Telnet
c.)
SMTP
d.)
Groper
8.)
In OSI model CRC function is operate on _________ layer?
a.)
Presentation layer
b.)
Session layer
c.)
Data link layer
d.)
Transport layer
9.)
_____ PDU format of data link layer?
a.)
Frame
b.)
segment
c.)
Data
d.)
packet
10.) When a
PC is connected to a layer 2 switch
port, how far does the collision domain spread?
a.)
No collision domain exists.
b.)
Base on vlan
c.)
One switch port
d.)
All port on the switch
11.) What does a switch do if a MAC address cannot
be found in the CAM table?
a.)
The frame is forwarded to the default port.
b.)
The switch generates an ARP request for the
address
c.)
The switch floods the frame out all port
d.)
The Switch drops the frame.
12.) Which catalyst IOS command can you use to
display the address in the CAM table?
a.)
Show cam
b.)
Show mac
c.)
Show mac address-table
d.)
Show cam address-table
13.) What type of cable should you use to connect
node to router for connectivity purpose it using Fast Ethernet port?
a.)
Rollover cable
b.)
Cross over cable
c.)
Straight-through cable
d.)
Console
cable
14.) ________ IEEE standard of RSTP?
a.)
IEEE 802.1d
b.)
IEEE 802.1s
c.)
IEEE 802.1w
d.)
IEEE 802.1R
15.) How many number of VLAN we can create
manually?
a.)
1 to 1001
b.)
2 to 1000
c.)
2 to 1001
d.)
1 to 1000
16.) Which command use to set trunk mode of switch
port?
a.)
Switch(config-subif)# Switchport mode trunk
b.)
Switch(config)# Switchport mode trunk
c.)
Switch(config-if)# Switchport mode trunk
d.)
Switch# Switchport mode trunk
17.) A router has two fastethernet interface and
needs to connect to four VLANs in the local network. How can you accomplish
this task, using the fewest physical interfaces and without decreasing network
performance?
a.)
Use a hub to connect the four VLANs with a fast
Ethernet interface on the router.
b.)
Add a second router to handle the VLAN traffic.
c.)
Add two more fastethernet interfaces.
d.)
Implement a ROAS configuration.
18.) What is cost of 1Gbps Ethernet link?
a.)
2
b.)
4
c.)
19
d.)
100
19.) How many convergence time period of switch
port in RSTP topology?
a.)
50
b.)
40
c.)
30
d.)
10
20.) Which command is use to set protect violation
mode in port security?
a.)
Switch(config)# Switchport port-security
violation protect
b.)
Switch(conifg-router)# Switchport port-security
violation protect
c.)
Switch# Switchport port-security violation
protect
d.)
None of above
21.) Which of these protocols dynamically
negotiates trunking parameters?
a.)
PAgP
b.)
STP
c.)
CDP
d.)
DTP
22.) Which one of
the following is needed for VTP
communication?
a.)
A Management VLAN
b.)
An Access VLAN
c.)
AN IP address
d.)
All of above
23.) Which of the following is a valid Etherchannel
negotiation mode combination between two switches?
a.)
PAgP auto , PAgP auto
b.)
PAgP auto , PAgP desirable
c.)
On, PAgP auto
d.)
LACP passive, LACP passive
24.) Which multicast address support by RIPv1 ?
a.)
224.0.0.9
b.)
224.0.0.10
c.)
224.0.0.5
d.)
None of above
25.) A network technician want to make connectivity
with 10.0.0.0/8 network and he use static route, than which command his fire on
router ?
a.)
Router# ip route 10.0.0.0 0.0.0.255 <exit
interface>
b.)
Router(config)# ip route 10.0.0.0 255.0.0.0
<exit interface>
c.)
Router(config)# ip route 10.0.0.0 0.0.0.255
<exit interface>
d.)
None of above
26.) Can we disable auto-summarization in EIGRP?
a.)
Yes
b.)
No
27.) You are work as a Network engineer, you want
to make manually summarization of following network :
172.1.4.0/25
172.1.4.128/25 172.1.5.0/24 172.1.6.0/24 172.1.7.0/24
Which
address you use as a summary address?
a.)
172.1.0.0/22
b.)
172.1.0.0/21
c.)
172.1.4.0/21
d.)
172.1.4.0/22
28.) 170 administrative distance value have
________?
a.)
Internal EIGRP
b.)
Summary EIGRP
c.)
Parameter EIGRP
d.)
External EIGRP
29.) EIGRP support three table, choose the correct
options:
a.)
Neighbor table
b.)
Routing table
c.)
Topology table
d.)
All of above
30.) EIGRP send hello message after every ______
second.
a.)
3 second
b.)
5 second
c.)
10 second
d.)
30 second
31.) Which table is NOT maintained by a link-state
routing protocol?
a.)
Routing
b.)
Topology
c.)
Update
d.)
Neighbor
32.) Which criterion does OSPF use to determine the
best path from source to destination?
a.)
Lowest delay
b.)
Lowest cost
c.)
Highest bandwidth
d.)
All of above
33.) Which algorithm used by EIGPR, RIP and OSPF?
a.)
Bellmon-ford, DUAL and Dijkstra
b.)
DUAL, Dijkstra and Bellmon-Ford
c.)
DUAL, Bellmon-Ford and Dijkstra
d.)
All of above
34.) If OSPF router have network 172.16.44.45/21
which operate in area 1, which network command use to advertisement it.
a.)
Router(config)# network 172.16.44.0
0.0.7.255 area 1
b.)
Router(config-router)# network 172.16.44.0
0.0.7.255 area 1
c.)
Router(config-router)# network 172.16.40.0 0.0.7.255 area 1
d.)
Router(config-if)# network 172.16.40.0 0.0.7.255
area 1
35.) Which type of Network support by OSPF?
a.)
Point-to-Point Network
b.)
Point-to-Multipoint Network
c.)
Non-broadcast-Multicast Network
d.)
All of above
36.) ASBR stand for _____________?
a.)
Area system broadcast router
b.)
Autonomous system border router
c.)
Auto system border router
d.)
Area system border router
37.) OSPF point-to-point network have DRs and BDRs
router ?
a.)
Yes
b.)
No
38.) Which destination IP address does OSPF use
when advertising to all internal ospf router?
a.)
224.0.0.6
b.)
224.0.0.5
c.)
224.0.0.10
d.)
None
39.) Which IP address range is reserve for private
use in class B?
a.)
172.16.0.0 – 172.16.255.255
b.)
172.16.0.0 – 172.31.0.0
c.)
172.16.0.0
-- 172.31.255.255
d.)
172.16.0.1
--- 172.16.0.255
40.) CIDR stand for ___________?
a.)
Class inter-domain routing
b.)
Class intermediator domain routing
c.)
Classless inter-domain routing
d.)
None of above
41.) Which class is reserve for multicasting?
a.)
Class E
b.)
Class D
c.)
Class C
d.)
Class F
42.) You need to subnet a network that has 5
subnets, each with at least 16 hosts. Which classful subnet mask would you use?
a.)
255.255.255.192
b.)
255.255.255.128
c.)
255.255.255.240
d.)
255.255.255.224
43.) If an Ethernet port on a router were assigned
IP address of 172.16.112.1/25, what would be the valid subnet address of this
host?
a.)
172.16.112.0
b.)
172.16.0.0
c.)
172.16.96.0
d.)
172.16.46.0
44.) You have an interface on a router with the IP
address of 192.168.192.10/29. Including the router interface, how many host can
have IP addresses on the LAN attached to the router interface?
a.)
6
b.)
8
c.)
30
d.)
32
45.) The Network address of 172.16.0.0/19 provides
how many subnets and hosts?
a.)
7 subnets, 30 host each
b.)
8 subnets,
8190 host each
c.)
8 subnets, 2046 host each
d.)
7 subnets, 2046 host each
46.) You need to configure a server that is on the
subnet 192.168.19.24/29. The router has
the first available host address. Which of the following should you assign to
the serve?
a.)
192.168.19.0
255.255.255.0
b.)
192.168.19.33
255.255.255.240
c.)
192.168.19.25
255.255.255.248
d.)
192.168.19.31
255.255.255.248
47.) On a VLSM network, which mask should you use
on point-to-point WAN links in order to reduce the waste of IP address?
a.)
/27
b.)
/28
c.)
/29
d.)
/30
48.) To test the IP stack on your local host, Which
IP address would you ping?
a.)
127.0.0.0
b.)
127.0.0.255
c.)
0.0.0.127
d.)
127.0.0.1
49.) A National retail chain needs to design an IP
addressing scheme. The company need a minimum of 300 sub-network and a maximum
of 50 host addresses per subnet. Working with only one class B address, which
of the following subnet mask will support an appropriate addressing scheme?
a.)
255.255.255.0
b.)
255.255.255.224
c.)
255.255.255.192
d.)
255.255.248.0
50.) What is the sub network address for a host
with the IP address 200.10.5.95/27?
a.)
200.10.5.56
b.)
200.10.5.64
c.)
200.10.5.96
d.)
None of above
51.) When you are logged into a switch, which
prompt indicates that you are in privileged mode?
a.)
%
b.)
>
c.)
Config#
d.)
#
52.) Which command is used to copy the
configuration from RAM into NVRAM?
a.)
Copy running-config startup-config
b.)
Copy startup-config: running-config
c.)
Copy running config: startup config
d.)
Write terminal
53.) A cisco router is booting and has just
completed the POST process. It is now ready to find and load an IOS image. What function does the router perform next?
a.)
It check the configuration register
b.)
It attempts to boot from a TFTP server
c.)
It loads the first image file in flash memory
d.)
It inspects the configuration file in NVRAM for
boot instructions
54.) CIR stand for ________ ?
a.)
Committed interchange range
b.)
Committed information rate
c.)
Committed interface rate
d.)
Common interface range
55.) SNMP stand for _______ ?
a.)
Single network management protocol
b.)
Simple network management protocol
c.)
Single network
d.)
Simple network monitoring protocol
56.) In network environment SMTP server is operate
on 192.168.10.1/24 network. If you want to block SMTP service for host
20.0.0.10 using ACL, which command you use?
a.)
Access-list 14 deny host 20.0.0.10 host
192.168.10.1 eq 25
b.)
Access-list 110 deny tcp host 192.168.10.1 host
10.0.0.1 eq 25
c.)
Access-list 101 deny tcp host 20.0.0.10 host
192.168.10.1 eq 25
d.)
Access-list 101 deny host 192.168.10.1 host
20.0.0.1 eq 25
57.) What
are three values that must be the same within a sequence of packets for Netflow
to consider them a network flow? (choose three)
a.)
Source ip addres
b.)
Source mac address
c.)
Egress interface
d.)
Ingress interface
e.)
Destination ip address
f.)
Ip next-hope
58.) What is a valid HSRP virtual MAC address?
a.)
0000.5E00.01A3
b.)
0007.B400.AE01
c.)
0000.0c07.AC15
d.)
0000.5e00.b301
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