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Free Practice Quiz Question List

8 Network+ Practice and Exam Readiness Online Quiz Questions

Use this free practice quiz with 20 questions to review 8 Network+ Practice and Exam Readiness, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

True or false: An organization's recovery point objective (RPO) expresses how much data loss it can tolerate after an outage.

  1. A

    True

  2. B

    False

02
Choose one
1 point

A workstation can reach a server by IP address but cannot reach it by hostname. Which is the best next diagnostic step?

  1. A

    Check the host's default gateway first

  2. B

    Test DNS with nslookup or dig

  3. C

    Replace the host's network cable

  4. D

    Configure a DHCP relay on the client VLAN

03
True or false
1 point

True or false: An intrusion detection system (IDS) can block suspicious traffic, while an intrusion prevention system (IPS) only detects it.

  1. A

    True

  2. B

    False

04
Written response
1 point

Which recovery target expresses the maximum time an organization aims to take to restore a service after an outage?

05
Choose one
1 point

A newly installed host has address 169.254.8.21/16, while other hosts on its floor work normally. What should you check first?

  1. A

    Check whether the DNS server has a PTR record for the host

  2. B

    Check the host's physical connection and VLAN, then its access to DHCP

  3. C

    Replace the host's default gateway with an IPv6 address

  4. D

    Change the DNS server's MX record

06
Choose one
1 point

A user can reach devices in the same VLAN but not a server in another subnet. The user's IP address, mask, and local switch link are correct. What is the best next focus?

  1. A

    The default gateway or Layer 3 routing path

  2. B

    The patch-panel label

  3. C

    The wireless SSID

  4. D

    The DNS MX record

07
Written response
1 point

How many usable host addresses are in the IPv4 subnet 192.168.40.64/27?

08
Choose one
1 point

A router has routes 10.20.0.0/16 and 10.20.30.0/24. Which route is normally selected for destination 10.20.30.45?

  1. A

    10.20.0.0/16, because it covers a larger network

  2. B

    10.20.30.0/24, because it is the more specific matching prefix

  3. C

    Whichever route has the larger network address

  4. D

    Both routes, in alternating order

09
Choose all
1 point

A network team wants users to authenticate before switch ports grant access and also wants to limit which devices can connect to those ports. Select all controls that fit these goals.

  1. A

    802.1X

  2. B

    NAT64

  3. C

    Port security

  4. D

    QoS

10
Choose all
1 point

Users report intermittent slow file transfers. Which evidence would help determine whether the network link has physical errors or abnormal load? Select all that apply.

  1. A

    Compare interface error counters over time

  2. B

    Compare link utilization with a baseline

  3. C

    Check the DNS server's MX record

  4. D

    Investigate rising CRC errors on the interface

11
Open ended
1 point

Two groups of hosts are connected to different VLANs on a switch and must communicate with each other. Describe the essential configuration steps and one way to verify that the requirement is met.

12
True or false
1 point

True or false: Recovery point objective (RPO) specifies the target time for restoring a service after an outage.

  1. A

    True

  2. B

    False

13
Choose one
1 point

Two switches need to carry traffic for several VLANs over one link. Which configuration best meets this requirement?

  1. A

    Configure both switch ports as access ports in the same VLAN.

  2. B

    Configure the inter-switch link as an 802.1Q trunk and allow the required VLANs at both ends.

  3. C

    Enable DHCP relay on both switches.

  4. D

    Assign the inter-switch link to the host-facing access VLAN.

14
Written response
1 point

A technician needs to identify where each switch is mounted in a server rack. What type of diagram should they consult?

15
Choose one
1 point

A DHCP server is on a different subnet from its clients, and clients on one VLAN are not receiving leases. What should you configure on that VLAN’s routing interface?

  1. A

    Configure a DHCP relay on the client VLAN’s routing interface.

  2. B

    Add a DNS PTR record for each client.

  3. C

    Configure an 802.1Q trunk on each host-facing port.

  4. D

    Replace the clients’ IPv4 addresses with APIPA addresses.

16
Written response
1 point

A client needs to look up the IPv6 address associated with a hostname. Which DNS record type provides that address?

17
Choose one
1 point

Users report intermittent slow file transfers. Which evidence most directly suggests physical-layer errors on a network link?

  1. A

    Rising CRC errors on the interface

  2. B

    A change to the asset inventory

  3. C

    The DNS server's MX record

  4. D

    The client's browser history

18
Choose one
1 point

A host can reach local devices, but connections to remote destinations fail. Which set of checks is the best next focus?

  1. A

    Check the default gateway, route table, ACLs, and path to a remote destination.

  2. B

    Check the DNS server’s MX record and the client’s browser history.

  3. C

    Change the local access port to a different wireless SSID.

  4. D

    Replace the switch before checking its configuration.

19
Fill in the blank
1 point

Which device generally forwards frames within a LAN?

20
Fill in the blank
1 point

Which IPv6 coexistence approach is named alongside dual stack?