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COMPTIA Net+ Test 2

Total questions: 49

Worksheet time: 25mins

Name
Class
Date
1.

A network administrator wishes to ensure there are no unnecessary open communication paths into a server. Using a port scanner, the administrator finds that ports are reported as closed. Which of the following BEST explains this response?

a)

The ports belong to an active system and are denying requests

b)

The ports are associated with deprecated services

c)

The ports do not belong to a live system

d)

The ports replied with a SYN/ACK response

2.

A device operating at Layer 3 of the OSI model uses which of the following protocols to determine the path to a different network?

a)

STP

b)

RTP

c)

RIP

d)

NTP

e)

SIP

3.

Which of the following protocols can be both connection-oriented and connectionless?

a)

20 FTP

b)

53 DNS

c)

67 DHCP

d)

80 HTTP

4.

A technician is connecting a router directly to a PC using the G1/0/1 interface. Without the use of auto-sensing ports, which of the following cables should be used?

a)

Straight-through

b)

Console

c)

Rollover

d)

Crossover

5.

A company recently upgraded all of its printers to networked multifunction devices. Users can print to the new devices, but they would also like the ability to scan and fax files from their computers. Which of the following should the technician update to allow this functionality?

a)

Device software

b)

Printer drivers

c)

Printer firmware

d)

NIC drivers

6.

A disgruntled employee executes a man-in-the-middle attack on the company network. Layer 2 traffic destined for the gateway is redirected to the employee's computer. This type of attack is an example of:

a)

ARP cache poisoning

b)

IP spoofing

c)

amplified DNS attack

d)

evil twin

7.

A network technician configures a firewall's ACL to allow outgoing traffic for several popular services such as email and web browsing. However, after the firewall's deployment, users are still unable to retrieve their emails. Which of the following would BEST resolve this issue?

a)

Allow the firewall to accept inbound traffic to ports 25, 67, 179, and 3389

b)

Allow the firewall to accept inbound traffic to ports 80, 110, 143, and 443

c)

Set the firewall to operate in transparent mode

d)

Allow the firewall to accept inbound traffic to ports 21, 53, 69, and 123

8.

A network technician receives a call from a use who is experiencing network connectivity issues. The network technician questions the user and learns the user brought in a personal wired router to use multiple computers and connect to the network. Which of the following has the user MOST likely introduced to the network?

a)

Rogue DHCP server

b)

Evil twin

c)

VLAN mismatch

d)

Honeypot

9.

A network technician is configuring a wireless network at a branch office. Users at this office work with large files and must be able to access their files on the server quickly. Which of the following 802.11 standards provides the MOST bandwidth?

a)

a

b)

ac

c)

g

d)

n

10.

A small business developed an in-house application that is very sensitive to network latency when a communicating between servers. Due to a lack of funds, the business had to build its own network for workstations and servers. Now a network administrator must redesign the network due to performance issues with the application. Which of the following would be the MOST cost effective for the administrator to recommend?

a)

Create Ethernet VLANs

b)

Disable autonegotiation on the servers

c)

Install 10Gb Ethernet NICs in the servers

d)

Install Fibre Channel for the server network

11.

The IT manager at a small firm is in the process of renegotiating an SLA with the organization's ISP. As part of the agreement, the organization will agree to a dynamic bandwidth plan to provide 150Mbps of bandwidth. However, if the ISP determines that a host on the organization's internal network produces malicious traffic, the ISP reserves the right to reduce available bandwidth to 1.5 Mbps. Which of the following policies is being agreed to in the SLA?

a)

Session hijacking

b)

Blocking

c)

Throttling

d)

Data usage limits

12.

A network administrator configures a router with the following IP address information:

Gigabit Ethernet 1 Interface: 10.10.0.1/24

Serial 0 Interface: 10.10.0.253/30

Clients are connected to a switch on the gigabit Ethernet interface; the ISP is connected to the Serial 0 interface. When the router configuration is complete and client devices are reconfigured, all clients report that they are unable to connect to the Internet. Which of the following is the MOST likely reason?

a)

The router was configured with an incorrect IP address

b)

The router was configured with an incorrect default gateway

c)

The router was configured with an incorrect subnet mask

d)

The router was configured with an incorrect loopback address

13.

A network technician has created a network that consists of a router, a firewall, a switch, and several PC's. Which of the following physical network topologies was created?

a)

Star

b)

Mesh

c)

Ring

d)

Bus

14.

A technician is troubleshooting a point-to-point fiber-optic connection. The technician is at a remote site and has no connectivity to the main site. The technician confirms the switch and the send-and-receive light levels are within acceptable range. Both fiber SFPs are confirmed as working. Which of the following should the technician use to reveal the location of the fault?

a)

OTDR

b)

Light meter

c)

Tone generator

d)

CSU/DSU

15.

Which of the following devices, if implemented, would result in decreased administration time of an 802.11 network running centralized authentication services? (Choose two.)

a)

VPN concentrator

b)

Proxy server

c)

Wireless controller

d)

RADIUS server

e)

Multilayer switch

16.

Which of the following policies would Joe, a user have to agree to when he brings in his personal tablet to connect to the company's Guest wireless Internet?

a)

NDA

b)

IRP

c)

BYOD

d)

SLA

17.

A network administrator has a monitoring system in place that is currently polling hundreds of network devices at regular intervals. The continuous polling is causing high CPU utilization on the server. Which of the following tasks should the administrator perform to resolve the CPU issue while maintaining full monitoring capabilities?

a)

Remove SNMP polling and configure SNMP traps on each network device

b)

Remove SNMP polling and implement snmpwalk on each network device

c)

Upgrade SNMP to the latest version to mitigate vulnerabilities

d)

Modify SNMP polling to poll only during business hours

18.

Client PCs are unable to receive addressing information from a newly configured interface on a router. Which of the following should be added to allow the clients to connect?

a)

DHCP lease me

b)

IP helper

c)

TTL

d)

DNS record type

19.

A network engineer is configuring wireless access for guests at an organization. Access to other areas in the organization should not be accessible to guests. Which of the following represents the MOST secure method to configure guest access to the wireless network?

a)

Guests should log into a separate wireless network using a captive portal

b)

Guests should log into the current wireless network using credentials obtained upon entering the facility

c)

The existing wireless network should be configured to allow guest access

d)

An additional wireless network should be configured to allow guest access

20.

A network technician installs a web server on the firewall. Which of the following methods should the technician implement to allow access to outside users without giving access to the inside network?

a)

VLAN

b)

DMZ

c)

SNMP

d)

NTP

21.

A network engineer is designing a new IDF in an old building. The engineer determines the equipment will fit in a two-post rack, and there is power available for this equipment. Which of the following would be the FIRST issue to remediate?

a)

Air flow and cooling

b)

UPS capability

c)

Circuit labeling

d)

Power redundancy

22.

A technician is trying to configure a previously owned WAP. The technician successfully logs into the administrative console and attempts to input the IP address on the WAP. However, the WAP is not accepting the command. Which of the following is causing the problem?

a)

The WAP antenna is damaged

b)

The WAP transmitter light is dim

c)

The terminal emulation software is misconfigured

d)

The LWAPP image is installed on the WAP

23.

A network administrator wants to ensure sensitive data is not exfiltrated from the system electronically. Which of the following should be implemented?

a)

DLP

b)

AUP

c)

NDA

d)

SLA

24.

A network administrator would like to collect information from several networking devices using SNMP. Which of the following SNMP options should a network administrator use to ensure the data transferred is confidential?

a)

authpriv

b)

SHA

c)

MD5

d)

Authentication passphrase

25.

An office user cannot access local network drives but has full access to the Internet. A technician troubleshoots the issue and observes the following output of the ipconfig command:

Which of the following would MOST likely allow the network drives to be accessed?

a)

Update the WLAN adapter driver

b)

Disable the WLAN adapter

c)

Check the wireless DHCP configuration

d)

Disable the LAN adapter

26.

A technician is setting up a public guest network for visitors to access the Internet that must be separate from the corporate network. Which of the following are the BEST steps for the technician to take with minimum overhead configuration? (Choose two.)

a)

Enable SSID broadcasting to identify the guest network

b)

Configure visitor devices to use static IP addresses

c)

Configure visitor devices to use static IP addresses

d)

Configure the access point to use WPA2-AES encryption

e)

Ensure the access point is not running in mixed mode

27.

The backups server connects to a NAS device using block-level storage over Ethernet. The performance is very slow, however, and the network technician suspects the performance issues are network related. Which of the following should the technician do to improve performance?

a)

Utilize UDP to eliminate packet overhead

b)

Turn off MDIX settings on the NAS and server switchports

c)

Enable jumbo frames on the NAS and serve

d)

Encapsulate the storage traffic in a GRE tunnel

28.

A network technician is considering opening ports on the firewall for an upcoming VoIP PBX implementation. Which of the following products in the technician MOST likely to consider? (Select THREE).

a)

SIP

b)

H.323

c)

RTP

d)

IPSec

e)

RDP

29.

A network technician is troubleshooting wireless network issues in a crowded office complex and suspects there is interference from nearby wireless networks. Which of the following should the technician perform to discover possible interference?

a)

Site survey

b)

Vulnerability scanning

c)

Wardriving

d)

Checking logical diagram

e)

Bandwidth test

30.

A network technician has implemented ACLs to limit access to cloud-based the storage. Which of the following security mechanisms has the technician enforced?

a)

DLP

b)

IDS

c)

WAF

d)

WPA

e)

TPM

31.

A network administrator receives a call from the sales department requesting ports 20 and 21 be opened on the company's firewall to allow customers to retrieve a large file. Which of the following should the administrator perform BEFORE making the needed changes? (Choose two.)

a)

Document the reason for the request

b)

Scan the file for malware to protect the sales department's computers

c)

Follow the company's approval process for the implementation

d)

Install a TFTP server for the customers to use for the transfer

e)

Create a honeypot to store the file on for the customers to use

32.

Users are reporting Internet connectivity issues. The network administrator wants to determine if the issues are internal to the company network or if there is an issue with the ISP. Which of the following tools should be used to BEST determine where the outage is occurring?

a)

traceroute

b)

ping

c)

nslookup

d)

netstat

33.

A network administrator configures an email server to use secure protocols. When the upgrade is completed, which of the following ports on the terminal should be configured to allow for connectivity? (Select THREE).

a)

TCP 143

b)

TCP 389

c)

TCP 587

d)

TCP 993

e)

TCP 995

34.

A systems administrator has recently purchased and installed a large electronic signage screen for the company's parking garage. The screen's management software was installed on a server with a public IP address to allow remote management. The systems administrator is now troubleshooting an issue with the screen displaying unknown, random, and inappropriate messages. Which of the following is MOST effective in resolving this issue?

a)

Changing the management software's default credentials

b)

Disabling unnecessary services from the server and management software

c)

Changing the management software's default port

d)

Replacing the management software's self-signed certificate with a valid certificate

35.

An ISP technician gets a call from a business that just changed equipment but can no longer connect to the Internet. The technician checks the ARP table on the ISP switch, and there is no corresponding MAC address present. Instead, the entry is "Incomplete". Which of the following could cause this condition?

a)

VLAN mismatch

b)

Duplex/Speed mismatch

c)

Duplicate IP address

d)

TX/RX reverse

36.

A computer lab on a campus network was recently reconfigured using recycled network cables. One of the 24 computers in the lab is unable to connect to the network after the upgrade. A network technician successfully uses the cable in question to connect directly to another computer. Which of the following is MOST likely issue with the cable?

a)

The cable is a crossover cable

b)

The cable is rollover cable

c)

The cable has bent pins

d)

The cable is a Cat 5 cable

37.

As part of a transition from a static to a dynamic routing protocol on an organization's internal network, the routing protocol must support IPv4 and VLSM. Based on those requirements, which of the following should the network administrator use? (Choose two.)

a)

OSPF

b)

IS-IS

c)

RIPv1

d)

BGP

e)

VRRP

38.

A network technician is connecting two switches together. Which of thefollowing protocols should thetechnician use to increase speed and fault tolerance?

a)

SIP

b)

BGP

c)

LACP

d)

LLDP

39.

Which of the following provides the ability to deploy consistent access point configurations from a central location?

a)

Wireless controller

b)

AAA server

c)

WiFi-protected setup

d)

Proxy server

e)

VPN concentrator

40.

A network engineer is designing a new network for a remote site. The remote site consists of ten desktop computers, ten VoIP phones, and two network printers. In addition, two of the desktop computers at the remote site will be used by managers who should be on a separate network from the other eight computers. Which of the following represents the BEST configuration for the remote site?

a)

One router connected to one 24-port switch configured with three VLANS: one for the manager's computers and printer, one for the other computers and printer, and one for the VoIP phones

b)

Two routers with each router connected to a 12-port switch, with a firewall connected to the switchconnected to the manager's desktop computers, VoIP phones, and printe

c)

One router connected to one 12-port switch configured for the manager's computers, phones, and printer,and one 12-port switch configured for the other computers, VoIP phones, and printer

d)

One router connected to one 24-port switch configured with two VLANS: one for the manager's computers,VoIP phones, and printer, and one for the other computers, VoIP phones, and printer

41.

Users in the administration building of a multi-building campus are reporting loss of network connectivity. A network technician suspects conversation workers may have severed the link between the core switch located in the datacenter in the administration building's distribution switch. Which of the following tools should be used to identity where the break occurred?

a)

OTDR

b)

Multimeter

c)

FCoE

d)

Tone generator

42.

Which of the following physical security controls is MOST likely to be susceptible to a false positive?

a)

Identification card

b)

Biometric device

c)

Proximity reader

d)

Video camera

43.

After a server outage, a technician discovers that a physically damaged fiber cable appears to be the problem. After replacing the cable, the server will still not connect to the network. Upon inspecting the cable at the server end, the technician discovers light can be seen through one of the two fiber strands. Which of the following should the technician do FIRST to reconnect the server to the network?

a)

Reverse the fiber strands of the cable and reconnect them to the server

b)

Use a TDR to test both strands of a new replacement cable prior to connecting it to the server

c)

Replace the server's single-mode fiber cable with multimode fiber

d)

Move the fiber cable to different port on the switch where both strands function

44.

An administrator is moving to a new office. There will be several network runs through the ceiling area of the office. Which of the following is the BEST to utilize in these areas?

a)

Single-mode fiber-optic cabling

b)

Cat 5e-rated cabling

c)

Cat 6-rated cabling

d)

Plenum-rated cabling

45.

A single PRI can deliver multiple voice calls simultaneously using which of the following Layer 1 technologies?

a)

Time division multiplexing

b)

Analog circuit switching

c)

CSMA/CD

d)

Time division spread spectrum

46.

A forensic first responder arrives at the scene where an employee is suspected to have committed acomputer-based crime. Which of the following should the first responder do FIRST?

a)

Document the scene

b)

Take pictures upon arrival

c)

Secure the area

d)

Implement chain of custody

47.

An assistant systems analyst reports the following findings of an investigation of slow Internet connections in a remote office to the senior systems analyst:


Device ___CPU Utilization___Memory Utilization___Link Status

Router___5%________________43%__________________Good

Firewall__92%______________ 58% __________________Good

Switch 1 _23%______________ 32% __________________Good

Switch 2 __8%______________ 81%___________________ Good


Which of the following devices is causing the issue?

a)

Router

b)

Firewall

c)

Switch 1

d)

Switch 2

48.

The security manager reports that individual systems involved in policy or security violations or incidents cannot be located quickly. The security manager notices the hostnames all appear to be randomly generated characters. Which of the following would BEST assist the security manager identifying systems involved in security incidents?

a)

Enforce port security to require system authentication

b)

Implement a standardized UNC

c)

Label existing systems with current hostnames

d)

Forward the DHCP logs to the security manager every day

49.

A firewall administrator is implementing a rule that directs HTTP traffic to an internal server listening on a non-standard socket. Which of the following types of rules is the administrator implementing?

a)

NAT

b)

PAT

c)

STP

d)

SNAT

e)

ARP