Infosys Certified Network Associate
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Real Lex exam-pattern multiple-choice questions for the Infosys Certified Network Associate certification. Each question includes the correct answer. The full question bank is available to Premium members.
- Question 1
A network administrator connected a router with PC using cross over cable for setting up the initial configuration like name, date, time and password. But the admin is not able to open router's console through putty. Identify the necessary solution to open the router's console using putty.
i. Replace the cross over cable with Roll over cable
ii. Replace the cross over cable with Straight through cable
iii. IP address for Router's console port and PC's ethernet port should be assigned from same subnet- ✓
ii or iii only
Correct - B
i only
- C
ii only
- D
iii only
- ✓
- Question 2
Refer to the exhibit. Identify the CLI mode of the router using the given image.
- ✓
User Mode
Correct - B
Global Configuration Mode
- C
Interface Configuration Mode
- D
Privileged Mode
- ✓
- Question 3
Identify the OSI model layer which covert the bits into frames and performs error check during data transmission.
- ✓
Presentation
Correct - B
Data Link
- C
Transport
- D
Physical
- ✓
- Question 4
A device which connects different networks and establishes WAN connections belongs to which layer of the OSI model?
- ✓
Physical layer
Correct - B
Transport layer
- C
Data link layer
- D
Network layer
- ✓
- Question 5
Identify the network topology name which is preferred to build LAN for enterprise networks and all the hosts connected to a central device.
- ✓
Bus
Correct - B
Ring
- C
Star
- D
Mesh
- ✓
- Question 6
A network administrator has entered the following commands in a router's console.
Router(config)#enable password network
Router(config)#enable secret networkingWhich password is required to enter into the privileged mode of the router after entering the above-mentioned commands.
- ✓
Password "networking" need to be provided to enter into Privileged mode
Correct - B
Password "network" need to be provided to enter into Privileged mode
- C
Both the passwords allow to enter into Privileged mode
- D
The router will not ask for any password while entering into Privileged mode
- ✓
- Question 7
A network administrator wants to upgrade the IOS version of the router without affecting the existing IOS. Which component of the router does admin copy the configuration files to upgrade the IOS?
- ✓
NVRAM
Correct - B
RAM
- C
ROM
- D
Flash
- ✓
- Question 8
Identify the most appropriate network to assign IP address for the hosts in a local area network, which belongs to an enterprise organization.
- ✓
192.169.10.0/24
Correct - B
172.32.16.0/22
- C
11.0.0.0/8
- D
192.168.25.0/24
- ✓
- Question 9
You have an IP address of 191.168.25.145 with subnet mask value 255.255.255.192. Identify the class of address, subnet address, and broadcast address.
- ✓
Class B, Subnet 191.168.25.128, Broadcast address 191.168.25.191
Correct - B
Class C, Subnet 191.168.25.0, Broadcast address 191.168.25.255
- C
Class B, Subnet 191.168.0.0, Broadcast address 191.168.255.255
- D
Class C, Subnet 191.168.0.0, Broadcast address 191.168.255.255
- ✓
- Question 10
Choose the valid IPv4 address in the following.
i. 255.255.255.254
ii. 192.168.1.255
iii. 168.256.160.255
iv. 223.223.223.256- ✓
i and iv only
Correct - B
ii and i only
- C
iii and ii only
- D
i, ii, iii and iv
- ✓
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