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Guide for CompTIA Network+

Quiz CompTIA Network+

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/ 10

Quiz

1/10
Networking Concepts
Which OSI layer is responsible for logical addressing and routing decisions?
Select the answer
1 correct answer
A.
Data Link
B.
Network
C.
Transport
D.
Session

Quiz

2/10
Network Implementation
What is the primary function of VLAN tagging in network switching?
Select the answer
1 correct answer
A.
Encrypt data across switch ports
B.
Segment traffic into logical broadcast domains
C.
Increase bandwidth between switches
D.
Replace the need for routing protocols

Quiz

3/10
Network Operations
Which protocol is primarily used for assigning IP addresses dynamically in a network?
Select the answer
1 correct answer
A.
DNS
B.
DHCP
C.
NTP
D.
SNMP

Quiz

4/10
Network Security
What is the primary security concern when using a default gateway without network segmentation?
Select the answer
1 correct answer
A.
All traffic becomes encrypted
B.
Broadcast domains expand uncontrollably
C.
Lateral movement between systems becomes easier
D.
DNS resolution fails for external hosts

Quiz

5/10
Network Troubleshooting
A user cannot reach a remote server. The ping to the default gateway succeeds. What is the most likely next troubleshooting step?
Select the answer
1 correct answer
A.
Replace the network cable
B.
Ping the remote server to test end-to-end connectivity
C.
Reboot the router immediately
D.
Check local DNS cache

Quiz

6/10
Networking Concepts
How many bits are in an IPv4 address, and how are they distributed between network and host portions in a /24 subnet?
Select the answer
1 correct answer
A.
32 bits total; 8 bits host
B.
32 bits total; 24 bits host
C.
24 bits total; 8 bits host
D.
24 bits total; 16 bits host

Quiz

7/10
Network Implementation
Which cabling standard supports the highest bandwidth for short distances in data center environments?
Select the answer
1 correct answer
A.
Cat5e twisted pair
B.
Single-mode fiber optic
C.
Cat6A twisted pair
D.
Coaxial cable

Quiz

8/10
Network Operations
What does the tracert (or traceroute) command reveal about network connectivity?
Select the answer
1 correct answer
A.
The DNS servers used by a host
B.
The routers and hops along the path to a destination
C.
The MAC addresses of all connected devices
D.
The bandwidth available on each network segment

Quiz

9/10
Network Security
An attacker floods a server with thousands of connection requests using forged source addresses. What type of attack is this?
Select the answer
1 correct answer
A.
ARP spoofing
B.
SYN flood
C.
DNS poisoning
D.
Man-in-the-middle

Quiz

10/10
Network Troubleshooting
A computer has an APIPA address (169.254.x.x). What does this indicate?
Select the answer
1 correct answer
A.
The computer has been assigned a static address
B.
DHCP has failed and the system auto-assigned an address
C.
The computer is connected to a VPN
D.
The network interface is in promiscuous mode
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Info quiz:

  • Quiz name:CompTIA Network+
  • Total number of questions:200
  • Number of questions for the test:50
  • Pass score:80%

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