Networking Basics MCQ

Test your knowledge with important Networking Basics MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Networking Basics MCQs at Bissoy

What protocols are used to configure trunking on a switch? 1. VLAN Trunking Protocol 2. VLAN 3. 802.1Q 4. ISL

ক
1 and 2

খ
3 and 4

গ
1 only

ঘ
2 only
If you wanted to delete the configuration stored in NVRAM, what would you type?

ক
erase startup

খ
erase nvram

গ
delete nvram

ঘ
erase running
Which command is used to upgrade an IOS on a Cisco router?

ক
copy tftp run

খ
copy tftp start

গ
config net

ঘ
copy tftp flash
What command will display the line, protocol, DLCI, and LMI information of an interface?

ক
sh pvc

খ
show interface

গ
show frame-relay pvc

ঘ
show run
How many collision domains are created when you segment a network with a 12-port switch?

ক
1

খ
2

গ
5

ঘ
12
What is the main reason the OSI model was created?

ক
To create a layered model larger than the DoD model.

খ
So application developers can change only one layer's protocols at a time.

গ
So different networks could communicate.

ঘ
So Cisco could use the model.
Which one of the following is true regarding VLANs?

ক
Two VLANs are configured by default on all Cisco switches.

খ
VLANs only work if you have a complete Cisco switched internetwork. No off-brand switches are allowed.

গ
You should not have more than 10 switches in the same VTP domain.

ঘ
VTP is used to send VLAN information to switches in a configured VTP domain.
If your router is facilitating a CSU/DSU, which of the following commands do you need to use to provide the router with a 64000bps serial link?

ক
<code class="args">RouterA (config) #bandwidth 64</code>

খ
<code class="args">RouterA (config-if) #bandwidth 64000</code>

গ
<code class="args">RouterA (config-if) #clock rate 64</code>

ঘ
<code class="args">RouterA (config-if) #clock rate 64000</code>
What is a stub network?

ক
A network with more than one exit point.

খ
A network with more than one exit and entry point.

গ
A network with only one entry and no exit point.

ঘ
A network that has only one entry and exit point.
What PPP protocol provides dynamic addressing, authentication, and multilink?

ক
NCP

খ
HDLC

গ
LCP

ঘ
X.25
In a network with dozens of switches, how many root bridges would you have?

ক
1

খ
2

গ
5

ঘ
12
Which class of IP address has the most host addresses available by default?

ক
A

খ
B

গ
C

ঘ
A and B
Which router command allows you to view the entire contents of all access lists?

ক
show all access-lists

খ
show access-lists

গ
show ip interface

ঘ
show interface
What does the command <code class="args"> routerA (config) #line cons 0 </code> allow you to perform next?

ক
Set the Telnet password.

খ
Shut down the router.

গ
Set your console password.

ঘ
Disable console connections.
How many broadcast domains are created when you segment a network with a 12-port switch?

ক
1

খ
2

গ
5

ঘ
12
How often are BPDUs sent from a layer 2 device?

ক
Never

খ
Every 2 seconds

গ
Every 10 minutes

ঘ
Every 30 seconds
Which protocol is used to send a destination network unknown message back to originating hosts?

ক
TCP

খ
ARP

গ
ICMP

ঘ
BootP
What does the <code class="args">passive</code> command provide to dynamic routing protocols?

ক
Stops an interface from sending or receiving periodic dynamic updates.

খ
Stops an interface from sending periodic dynamic updates but not from receiving updates.

গ
Stops the router from receiving any dynamic updates.

ঘ
Stops the router from sending any dynamic updates.
Which command is used to determine if an IP access list is enabled on a particular interface?

ক
show access-lists

খ
show interface

গ
show ip interface

ঘ
show interface access-lists
Which protocol does DHCP use at the Transport layer?

ক
IP

খ
TCP

গ
UDP

ঘ
ARP
Which of the following commands will allow you to set your Telnet password on a Cisco router?

ক
line telnet 0 4

খ
line aux 0 4

গ
line vty 0 4

ঘ
line con 0
What protocol does PPP use to identify the Network layer protocol?

ক
NCP

খ
ISDN

গ
HDLC

ঘ
LCP
To back up an IOS, what command will you use?

ক
backup IOS disk

খ
copy ios tftp

গ
copy tftp flash

ঘ
copy flash tftp
Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188 255.255.255.192 resides?

ক
192.168.168.129-190

খ
192.168.168.129-191

গ
192.168.168.128-190

ঘ
192.168.168.128-192
Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?

ক
A

খ
B

গ
G

ঘ
N
You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?

ক
100 kbps

খ
1 Mbps

গ
2 Mbps

ঘ
10 Mbps
What command is used to create a backup configuration?

ক
copy running backup

খ
copy running-config startup-config

গ
config mem

ঘ
wr mem
What are the two main types of access control lists (ACLs)? 1. Standard 2. IEEE 3. Extended 4. Specialized

ক
1 and 3

খ
2 and 4

গ
3 and 4

ঘ
1 and 2
What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?

ক
NAT

খ
Static

গ
Dynamic

ঘ
PAT
Which of these class is used to encapsulate IP address and DNS?

ক
DatagramPacket

খ
URL

গ
InetAddress

ঘ
ContentHandler