Complete CompTIA Network+ Certification: Use Updated N10-008 Study Guide To Prepare Exam Well

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1. Wireless users are reporting intermittent internet connectivity. Connectivity is restored when the users disconnect and reconnect, utilizing the web authentication process each time. The network administrator can see the devices connected to the APs at all times.

Which of the following steps will MOST likely determine the cause of the issue?

Verify the session time-out configuration on the captive portal settings

Check for encryption protocol mismatch on the client’s wireless settings

Confirm that a valid passphrase is being used during the web authentication

Investigate for a client’s disassociation caused by an evil twin AP

2. A company built a new building at its headquarters location. The new building is connected to the company’s LAN via fiber-optic cable. Multiple users in the new building are unable to access the company’s intranet site via their web browser, but they are able to access internet sites.

Which of the following describes how the network administrator can resolve this issue?

Correct the DNS server entries in the DHCP scope

Correct the external firewall gateway address

Correct the NTP server settings on the clients

Correct a TFTP Issue on the company’s server

3. A website administrator is concerned the company’s static website could be defaced by hacktivists or used as a pivot point to attack internal systems.

Which of the following should a network security administrator recommend to assist with detecting these activities?

Implement file integrity monitoring.

Change the default credentials.

Use SSL encryption.

Update the web-server software.

4. A technician is installing a cable modem in a SOHO.

Which of the following cable types will the technician MOST likely use to connect a modem to the ISP?

Coaxial

Single-mode fiber

Cat 6e

Multimode fiber

5. A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer finds that jitter at the office is greater than 10ms on the only WAN connection available.

Which of the following would be MOST affected by this statistic?

A VoIP sales call with a customer

An in-office video call with a coworker

Routing table from the ISP

Firewall CPU processing time

6. Which of the following ports is commonly used by VoIP phones?

143

445

5060

7. A network administrator is designing a new datacenter in a different region that will need to communicate to the old datacenter with a secure connection.

Which of the following access methods would provide the BEST security for this new datacenter?

Virtual network computing

Secure Socket Shell

In-band connection

Site-to-site VPN

8. Which of the following is a system that is installed directly on a server's hardware and abstracts the hardware from any guest machines?

Storage array

Type 1 hypervisor

Virtual machine

Guest QS

9. A branch of a company recently switched to a new ISP. The network engineer was given a new IP range to assign.

The ISP assigned 196.26.4.0/26, and the branch gateway router now has the following configurations on the interface that peers to the ISP:

The network engineer observes that all users have lost Internet connectivity.

Which of the following describes the issue?

The incorrect subnet mask was configured

The incorrect gateway was configured

The incorrect IP address was configured

The incorrect interface was configured

10. A user tries to ping 192.168.1.100 from the command prompt on the 192.168.2.101 network but gets the following response: U.U.U.U.

Which of the following needs to be configured for these networks to reach each other?

Network address translation

Default gateway

Loopback

Routing protocol

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11. Which of the following uses the destination IP address to forward packets?

A bridge

A Layer 2 switch

A router

A repeater

12. A company's network is set up so all Internet-bound traffic from all remote offices exits through a main datacenter.

Which of the following network topologies would BEST describe this setup?

Bus

Spine-and-leaf

Hub-and-spoke

Mesh

13. An IT director is setting up new disaster and HA policies for a company. Limited downtime is critical to operations. To meet corporate requirements, the director set up two different datacenters across the country that will stay current on data and applications. In the event of an outage, the company can immediately switch from one datacenter to another.

Which of the following does this BEST describe?

A warm site

Data mirroring

Multipathing

Load balancing

A hot site

14. Which of the following transceiver types can support up to 40Gbps?

SFP+

QSFP+

QSFP

SFP

15. A client recently added 100 users who are using VMs. All users have since reported slow or unresponsive desktops. Reports show minimal network congestion, zero packet loss, and acceptable packet delay.

Which of the following metrics will MOST accurately show the underlying performance issues? (Choose two.)

CPU usage

Memory

Temperature

Bandwidth

Latency

Jitter

16. An IT organization needs to optimize speeds for global content distribution and wants to reduce latency in high-density user locations.

Which of the following technologies BEST meets the organization’s requirements?

Load balancing

Geofencing

Public cloud

Content delivery network

Infrastructure as a service

17. A technician is writing documentation regarding a company’s server farm. The technician needs to confirm the server name for all Linux servers.

Which of the following commands should the technician run?

ipconfig

nslookup

arp

route

18. A company requires a disaster recovery site to have equipment ready to go in the event of a disaster at its main datacenter. The company does not have the budget to mirror all the live data to the disaster recovery site.

Which of the following concepts should the company select?

Cold site

Hot site

Warm site

Cloud site

19. A store owner would like to have secure wireless access available for both business equipment and patron use.

Which of the following features should be configured to allow different wireless access through the same equipment?

MIMO

TKIP

LTE

SSID

20. Which of the following DNS records works as an alias to another record?

AAAA

CNAME

SOA

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21. Which of the following would MOST likely be used to review previous upgrades to a system?

Business continuity plan

Change management

System life cycle

Standard operating procedures

22. Which of the following policies is MOST commonly used for guest captive portals?

AUP

DLP

BYOD

NDA

23. A network administrator discovers that users in an adjacent building are connecting to the company’s guest wireless network to download inappropriate material.

Which of the following can the administrator do to MOST easily mitigate this issue?

Reduce the wireless power levels

Adjust the wireless channels

Enable wireless client isolation

Enable wireless port security

24. After the A record of a public website was updated, some visitors were unable to access the website.

Which of the following should be adjusted to address the issue?

TTL

TXT

SOA

25. An organization with one core and five distribution switches is transitioning from a star to a full-mesh topology.

Which of the following is the number of additional network connections needed?

26. A network administrator walks into a datacenter and notices an unknown person is following closely. The administrator stops and directs the person to the security desk.

Which of the following attacks did the network administrator prevent?

Evil twin

Tailgating

Piggybacking

Shoulder surfing

27. Which of the following is the physical topology for an Ethernet LAN?

Bus

Ring

Mesh

Star

28. Access to a datacenter should be individually recorded by a card reader even when multiple employees enter the facility at the same time.

Which of the following allows the enforcement of this policy?

Motion detection

Access control vestibules

Smart lockers

Cameras

29. A network technician is manually configuring the network settings for a new device and is told the network block is 192.168.0.0/20.

Which of the following subnets should the technician use?

255.255.128.0

255.255.192.0

255.255.240.0

255.255.248.0

30. A fiber link connecting two campus networks is broken.

Which of the following tools should an engineer use to detect the exact break point of the fiber link?

OTDR

Tone generator

Fusion splicer

Cable tester

PoE injector

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31. A technician is assisting a user who cannot connect to a network resource. The technician first checks for a link light.

According to troubleshooting methodology, this is an example of:

using a bottom-to-top approach.

establishing a plan of action.

documenting a finding.

questioning the obvious.

32. A technician is searching for a device that is connected to the network and has the device’s physical network address.

Which of the following should the technician review on the switch to locate the device’s network port?

IP route table

VLAN tag

MAC table

QoS tag

33. A user reports being unable to access network resources after making some changes in the office.

Which of the following should a network technician do FIRST?

Check the system’s IP address

Do a ping test against the servers

Reseat the cables into the back of the PC

Ask what changes were made

34. The following configuration is applied to a DHCP server connected to a VPN concentrator:

There are 300 non-concurrent sales representatives who log in for one hour a day to upload reports, and 252 of these representatives are able to connect to the VPN without any Issues. The remaining sales representatives cannot connect to the VPN over the course of the day.

Which of the following can be done to resolve the issue without utilizing additional resources?

Decrease the lease duration

Reboot the DHCP server

Install a new VPN concentrator

Configure a new router

35. A network administrator is configuring a load balancer for two systems.

Which of the following must the administrator configure to ensure connectivity during a failover?

VIP

NAT

APIPA

IPv6 tunneling

Broadcast IP

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