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Comptia network plus

Total questions: 80

Worksheet time: 40mins

Name
Class
Date
1.

A company has decided to update their usage policy to allow employees to surf the web unrestricted from their work computers. Which of the following actions should the IT security team implement to help protect the network from attack as a result of this new policy?

a)

Install host-based anti-malware software

b)

Implement MAC filtering on all wireless access points

c)

Block port 80 outbound on the company firewall

d)

Add an implicit deny to the core router ACL

2.

An administrator notices an unused cable behind a cabinet that is terminated with a DB-9 connector. Which of the following protocols was MOST likely used on this cable?

a)

Token ring

b)

ATM

c)

RS-232

d)

802.3

3.

A network technician has created a network consisting of an external internet connection, a DMZ, an internal private network, and an administrative network. All routers and switches should be configured to accept SSH connections from which of the following network segments?

a)

The internal network since it is private

b)

The admin private network allowing only admin access

c)

The DMZ only allowing access from the segment with the servers

d)

The internet connection to allow admin access from anywhere

4.

During a check of the security control measures of the company network assets, a network administrator is explaining the difference between the security controls at the company. Which of the following would be identified as physical security controls? (Select TWO)

a)

RSA

b)

Passwords

c)

Man traps

d)

VLANs

e)

Biometrics

5.

A customer is attempting to download a file from a remote FTP server, but receives an error that a connection cannot be opened. Which of the following should be one FIRST to resolve the problem?

a)

Ensure that port 161 is open

b)

Flush the DNS cache on the local workstation

c)

Validate the security certificate from the host

d)

Ensure that port 20 is open

6.

While monitoring the network, a technician notices that the network traffic to one of the servers is extremely high. Which of the following should the technician use to verify if this is a concern?

a)

Real time monitor

b)

Network baseline

c)

Network diagram

d)

Log management

7.

Which of the following integrity security mechanisms ensures that a sent message has been received intact, by the intended receiver?

a)

IPSEC

b)

SHA

c)

DES

d)

CRC

8.

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)

SIP

b)

RIP

c)

NTP

d)

RTP

e)

STP

9.

A technician needs to install a server to authenticate remote users before they have access to corporate network resources when working from home. Which of the following servers should the technician implement?

a)

DNSSEC

b)

RAS

c)

NAT

d)

VLAN

e)

PPP

10.

A client is concerned about a hacker compromising a network in order to gain access to confidential research data. Which of the following could be implemented to redirect any attackers on the network?

a)

Content filter

b)

Botnet

c)

Honeypot

d)

DMZ

11.

A technician just completed a new external website and setup access rules in the firewall. After some testing, only users outside the internal network can reach the site. The website responds to a ping from the internal network and resolves the proper public address. Which of the following could the technician do to fix this issue while causing internal users to route to the website using an internal address?

a)

Configure NAT on the firewall

b)

Implement a split horizon DNS

c)

Place the server in the DMZ

d)

Adjust the proper internal ACL

12.

Users are reporting extreme slowness across the network every Friday. Which of the following should the network technician review first to narrow down the root cause of the problem?

a)

Link status

b)

Baseline

c)

Utilization

d)

Bottleneck

13.

A company has contracted with an outside vendor to perform a service that will provide hardware, software, and procedures in case of a catastrophic failure of the primary datacenter. The Chief Information Officer (CIO) is concerned because this contract does not include a long-term strategy for extended outages. Which of the following should the CIO complete?

a)

Business continuity plan

b)

Service level agreement

c)

Disaster recovery plan

d)

First responder training

14.

The RAID controller on a server failed and was replaced with a different brand. Which of the following will be needed after the server has been rebuilt and joined to the domain?

a)

Physical network diagram

b)

Physical IP address

c)

Vendor documentation

d)

Recent backups

15.

A network technician is troubleshooting a problem at a remote site. It has been determined that the connection from router A to router B is down. The technician at the remote site re-terminates the CAT5 cable that connects the two routers as a straight through cable. The cable is then tested and is plugged into the correct interface. Which of the following would be the result of this action?

a)

The normal amount of errors and the connection problem has been resolved.

b)

The interface status will indicate that the port is administratively down.

c)

The traffic will flow, but with excessive errors.

d)

The interface status will show line protocol down.

16.

Multiple students within a networking lab are required to simultaneously access a single switch remotely. The administrator checks and confirms that the switch can be accessed using the console, but currently only one student can log in at a time. Which of the following should be done to correct this issue?

a)

Increase the number of virtual terminals available.

b)

Decrease the number of VLANs configured on the switch.

c)

Increase installed memory and install a larger flash module.

d)

Increase the number of VLANs configured on the switch.

17.

Which of the following devices implements CSMA/CA virtually through the RTS/CTS protocols?

a)

Firewall

b)

Router

c)

802.11 AP

d)

Switch

18.

A network technician wants to allow HTTP traffic through a stateless firewall. The company uses the 192.168.0.0/24 network. Which of the following ACL should the technician configure?

a)

PERMIT SRCIP 192.168.0.0/24 SPORT:80 DSTIP:192.168.0.0/24 DPORT:80

b)

PERMIT SRCIP 192.168.0.0/24 SPORT:ANY DSTIP:ANY DPORT 80

c)

PERMIT SRCIP:ANY SPORT:80 DSTIP:192.168.0.0/24 DPORT ANY

d)

PERMIT SRCIP: ANY SPORT:80 DSTIP:192.168.0.0/24 DPORT:80

e)

PERMIT SRCIP:192.168.0.0/24 SPORT:80 DSTIP:ANY DPORT:80

19.

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)

Light meter

b)

Tone generator

c)

ODTR

d)

CSU/DSU

20.

Which of the following ports is used to provide secure sessions over the web by default?

a)

22

b)

25

c)

80

d)

5004

21.

A technician has punched down only the middle two pins (pins 4 and 5) on an ethernet patch panel. The technician has cabled this port to be used with which of the following?

a)

10baseT

b)

568B

c)

POTS

d)

568A

22.

A technician is connecting a NAS device to an Ethernet network. Which of the following technologies will be used to encapsulate the frames?

a)

HTTPS

b)

iSCSI

c)

MS-CHAP

d)

Fibre channel

23.

Peter, a network technician, is setting up a DHCP server on a LAN segment. Which of the following options should Peter configure in the DHCP scope, in order to allow hosts on that LAN segment using dynamic IP addresses, to be able to access the Internet and internal company servers? (Select THREE).

a)

Default gateway

b)

Reservations

c)

Subnet mask

d)

Lease expiration time of 1 day

e)

DNS servers

24.

Which of the following PDUs is used by a connectionless protocol?

a)

Frames

b)

Segments

c)

Streams

d)

Datagram

25.

A contractor is setting up and configuring conference rooms for a convention. The contractor sets up each room in the conference center to allow wired Internet access going to individual tables. The contractor measured the distance between the hotel’s patch panel to the jack, and the distance is within Cat 5e specifications. The contractor is concerned that the room will be out of specification if cables are run in each room from the wall jacks. Which of the following actions should the contractor take to ensure the cable runs meet specifications and the network functions properly?

a)

Place a switch at the hotel’s patch panel for connecting each room’s cables

b)

Place a switch on each table to ensure strong connectivity

c)

Place repeaters between the patch panel and the rooms

d)

place a switch at the wall jack and run the cables in the room from there

26.

A technician installs a new piece of hardware and now needs to add the device to the network management tool database. However, when adding the device to the tool using SNMP credentials, the tool cannot successfully interpret the results. Which of the following would need to be added to the network management tool to allow it to interpret the new device and control it using SNMP?

a)

TRAP

b)

GET

c)

MIB

d)

WALK

27.

A client reports that half of the office is unable to access a shared resource. Which of the following should be used to troubleshoot the issue?

a)

Data backups

b)

Network diagrams

c)

Baseline information

d)

Vendor documentation

28.

A network technician is troubleshooting a network connection error, when pinging the default gateway no reply is received. The default gateway is found to be functioning properly but cannot connect to any workstations. At which of the following OSI layers could the problem exist? (Select TWO)

a)

Presentation

b)

Data link

c)

Transport

d)

Application

e)

Physical

29.

A network engineer is dispatched to an employee office to troubleshoot an issue with the employee’s laptop. The employee is unable to connect to local and remote resources. The network engineer flips the laptop’s wireless switch on to resolve the issue. At which of the following layers of the OSI model was the issue resolved?

a)

Layer 1

b)

Layer 2

c)

Layer 3

d)

Layer 4

e)

Layer 7

30.

Which of the following protocols is used to encapsulate other network layer protocols such as multicast and IPX over WAN connections?

a)

MPLS

b)

ESP

c)

GRE

d)

PPP

31.

A network technician has received comments from several users that cannot reach a particular website. Which of the following commands would provide the BEST information about the path taken across the network to this website?

a)

Ping

b)

Netstat

c)

Telnet

d)

Tracert

32.

A user is unable to connect to a server in another building. A technician is troubleshooting the issue and determines the following:

1) Client PC 1 has an IP address if 192.168.10.25/25

2) PC 1 can successfully ping its gateway of 192.168.10.1/25 which is an interface of router A

3)Server A is named ‘BLDGBFILESRVR01’ and has an IP address of 192.168.10.145/25

4) PC 2 with an IP address of 192.168.10.200/25 can successfully ping server A

However, when PC 1 pings server A, it receives a destination host unreachable responds. Which of the following is the MOST likely cause?

a)

Link from touter A to PC 1 are on different subnets

b)

Link from router A to server A is down

c)

Link from PC 1 to router A has duplex issues

d)

Link from server A top PC 2 is down

33.

A technician logs onto a system using Telnet because SSH is unavailable. SSH is enabled on the target device, and access is allowed from all subnets. The technician discovers a critical step was missed. Which of the following would allow SSH to function properly?

a)

Perform file hashing

b)

Generate new keys

c)

Update firmware

d)

Change default credentials

34.

A network technician was tasked to install a network printer and share it to a group of five human resource employees. The technician plugged the device into a LAN jack, but was unable to obtain an IP address automatically. Which of the following is the cause of the problem?

a)

DNS

b)

Wrong TCP port

c)

Split horizon

d)

DHCP scope

35.

Which of the following devices should a network administrator configure on the outermost part of the network?

a)

Media converter

b)

Modem

c)

Switch

d)

Firewall

36.

A company has seen an increase in ransomware across the enterprise. Which of the following should be implemented to reduce the occurrences?

a)

ARP inspection

b)

Intrusion detection system

c)

Web content filtering

d)

Port filtering

37.

Jane, a network technician, has just installed a fiber switch in a datacenter. To run the fiber cabling, Jane plans the cable route over the top of the rack using the cable trays, down to the switch, coiling up any excess cable. As Jane configures the switch, she notices several messages in the logging buffer stating the receive signal of the SFP is too weak. Which of the following is MOST likely the cause of the errors in the logging buffer?

a)

Bend radius exceeded

b)

Fiber cable mismatch

c)

Fiber type mismatch

d)

Bad fiber switch

38.

A technician add memory to a router, but that memory is never recognized by the router. The router is then powered down, and the technician relocates all of the memory to different modules. On startup, the router does not boot and displays memory errors. Which of the following is MOST likely the cause?

a)

VTP

b)

Driver update

c)

ESD

d)

Halon particles

39.

When a client calls and describes a problem with a computer not being able to reach the Internet, in which of the following places of the OSI model would a technician begin troubleshooting?

a)

Transport layer

b)

Physical layer

c)

Network layer

d)

Session layer

40.

Jane, a network technician, was asked to remove a virus. Issues were found several levels deep within the directory structure. To ensure the virus has not infected the .mp4 files in the directory, she views one of the files and believes it contains illegal material. Which of the following forensics actions should Jane perform?

a)

Copy the information to a network drive to preserve the evidence

b)

Check the remaining directories for more .mp4 files

c)

Erase the files created by the virus

d)

Stop and escalate to the proper authorities

41.

A company is selecting a fire suppression system for their new datacenter and wants to minimize the IT system recovery period in the event of a fire. Which of the following is the best choice for the fire suppression system?

a)

Portable extinguishers

b)

Wet Pipe

c)

Clean Gas

d)

Dry Pipe

42.

A network technician has configured a point-to-point interface on a router, however, once the fiber optic cables have been run, the interface will not come up. The technician has cleaned the fiber connectors and used an optical power meter to confirm that light is passing in both directions without excessive loss. Which of the following is the MOST likely cause?

a)

Distance limitation

b)

Wavelength mismatch

c)

cross-talk

d)

EMI

e)

Macro bend

43.

After connecting a workstation directly to a small business firewall, a network administrator is trying to manage it via HTTPS without losing its stored configuration. The only two pieces of information that the network administrator knows about the firewall are the management interface MAC address, which is 01:4a:d1:fa:b1:0e, and the administrator’s password. Which of the following will allow the administrator to log onto the firewall via HTTPS if the management’s IP address is unknown and the administrator’s workstation IP address is 192.168.0.10/23?

a)

Use the reset button on the back of the firewall to restore it to its factory default, and then log onto

b)

Run the following command on the administrator’s workstation: arp –s 192.168.1.200 01:4a:d1:fa:b1:0e

c)

Use an SNMP tool to query the firewall properties and determine the correct management IP address

d)

Use a crossover cable to connect to the console port and reconfigure the firewall management IP to 192.168.0.1

44.

A network technician must create a wireless link between two buildings in an office park utilizing the 802.11ac standard. The antenna chosen must have a small physical footprint and minimal weight as it will be mounted on the outside of the building. Which of the following antenna types is BEST suited for this solution?

a)

Yagi

b)

Omnidirectional

c)

Parabolic

d)

Patch

45.

When configuring a new server, a technician requests that an MX record be created in DNS for the new server, but the record was not entered properly. Which of the following was MOST likely installed that required an MX record to function properly?

a)

Load balancer

b)

FTP server

c)

Firewall DMZ

d)

Mail server

46.

A technician has finished configuring AAA on a new network device. However, the technician is unable to log into the device with LDAP credentials but is able to do so with a local user account. Which of the following is the MOST likely reason for the problem?

a)

Username is misspelled is the device configuration file

b)

IDS is blocking RADIUS

c)

Shared secret key is mismatched

d)

Group policy has not propagated to the device

47.

A user with an 802.11n WLAN card is connected to a SOHO network and is only able to connect at 11 Mbps with full signal strength. Which of the following standards is implemented on the network?

a)

802.11a

b)

802.11ac

c)

802.11b

d)

802.11g

48.

A technician is attempting to resolve an issue with users on the network not being able to access websites. The technician pings the default gateway and DNS servers successfully. Pinging a website by URL is unsuccessful but using a known IP address is successful. Which of the following will resolve the issue?

a)

Update the HOST file with the URLs for all websites

b)

Use NSLOOKUP to resolve URLs

c)

Ensure ICMP messages can pass through the firewall

d)

Enable port 53 on the firewall

49.

Which of the following ports should be allowed to provide access to certain VoIP applications?

a)

110

b)

139

c)

1720

d)

5060

50.

A company is deploying a new wireless network and requires 800Mbps network throughput. Which of the following is the MINIMUM configuration that would meet this need?

a)

802.11ac with 2 spatial streams and an 80MHz bandwidth

b)

802.11ac with 3 spatial streams and a 20MHz bandwidth

c)

802.11ac with 3 spatial streams and a 40MHz bandwidth

d)

802.11ac with 4 spatial streams and a 160MHz bandwidth

51.

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

52.

An administrator has a physical server with a single NIC. The server needs to deploy two virtual machines. Each virtual machine needs two NIC’s, one that connects to the network, and a second that is a server to server heartbeat connection between the two virtual machines. After deploying the virtual machines, which of the following should the administrator do to meet these requirements?

a)

The administrator should create a virtual switch for each guest. The switches should be configured for inter-switch links and the primary NIC should have a NAT to the corporate network

b)

The administrator should create a virtual switch that is bridged to the corporate network and a second virtual switch that carries intra-VM communication only

c)

The administrator should create a virtual switch to bridge all of the connections to the network. The virtual heartbeat NICs should be set to addresses in an unused range

d)

The administrator should install a second physical NIC onto the host, and then connect each guest machine’s NICs to a dedicated physical NIC

53.

A network topology in which all nodes have point to point connections to all other nodes is known as which of the following?

a)

Mesh

b)

Ring

c)

BUS

d)

Star

54.

A company has added several new employees, which has caused the network traffic to increase by 200%. The network traffic increase from the new employees was only expected to be 20% to 30%. The administration suspects that the network may have been compromised. Which of the following should the network administrator have done previously to minimize the possibility of a network breach?

a)

Create VLANs to segment the network traffic

b)

Place a network sniffer on segments with new employees

c)

Provide end user awareness and training for employees

d)

Ensure best practices were implemented when creating new user accounts

55.

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

56.

A network engineer wants to a segment the network into multiple broadcast domains. Which of the following devices would allow for communication between the segments?

a)

Layer 2 switch

b)

Layer 3 switch

c)

Bridge

d)

Load balancer

57.

Channel bonding will improve which of the following wireless characteristics?

a)

Signal strength

b)

Encryption strength

c)

Coverage area

d)

Connection speed

58.

A technician is diagnosing an issue with a new T1 connection. The router is configured, the cable is connected, but the T1 is down. To verify the configuration of the router, which of the following tools should the technician use?

a)

Loopback adapter

b)

Cable testeR

c)

Tone generator

d)

Multimeter

59.

The management team wants to set up a wireless network in their office but all of their phones operate at the 2.4 GHz frequency. They need a wireless network that would be able to operate at a higher frequency than their phones. Which of following standards should be used?

a)

802.11a

b)

802.11b

c)

802.11g

d)

802.11x

60.

A company installs a new mail server. Which of the following DNS records need to be configured to allow the organization to receive email?

a)

CNAME

b)

MC

c)

PTR

d)

A

61.

A technician has prolonged contact with a thermal compound. Which of the following resources should be consulted?

a)

HCL

b)

MSDS

c)

SLA

d)

HVAC

62.

Which of the following policies would Peter, 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

63.

Which of the following 802.11g antennas broadcast an RF signal in a specific direction with a narrow path?

a)

Omni-directional

b)

Unidirectional

c)

Patch

d)

Yagi

64.

A facility would like to verify each individual’s identity prior to allowing access to the datacenter. Additionally,the facility would like to ensure that users do not tailgate behind other users. Which of the following would BEST meet these goals?

a)

Implement a biometric reader at the datacenter entrance and require passage through a mantrap

b)

Implement a security guard at the facility entrance and a keypad on the datacenter entrance

c)

Implement a CCTV camera and a proximity reader on the datacenter entrance

d)

Implement a biometric reader at the facility entrance and a proximity card at the datacenter entrance

65.

A malicious student is blocking mobile devices from connecting to the internet when other students are in the classroom. Which of the following is the malicious student implementing?

a)

Removing the AP from the classroom

b)

ACL

c)

JAMMING

d)

Firewall

e)

IPS

66.

Jane, a system administrator, is troubleshooting an issue with a DNS server. She notices that the security logs have filled up and that they need to be cleared from the event viewer. She recalls this being a daily occurrence. Which of the following solutions would BEST resolve this problem?

a)

Increase the maximum log size

b)

Log into the DNS server every hour to check if the logs are full

c)

Install an event management tool

d)

Delete the logs when full

67.

A single mode fiber is no longer providing network connectivity to a remote site. Which of the following would be used to identify the location of the break?

a)

MT-RJ

b)

OTDR

c)

Media converter

d)

Cable certifier

68.

A company utilizes a patching server to regularly update their PC’s. After the latest round of patching all of the older PCs with non-gigabit Ethernet cards become disconnected from the network and now require a technician to fix the issue locally at each PC. Which of the following should be done to prevent this issue in the future?

a)

Enable automatic rebooting of the pCs after patching is completed

b)

Require the patching server to update the oldest PCs off hours

c)

Disable automatic driver updates to PCs on the patching server

d)

Throttle the connection speed of the patching server to match older PCs

69.

A technician needs to limit the amount of broadcast traffic on a network and allow different segments to communicate with each other. Which of the following options would satisfy these requirements?

a)

Add a router and enable OSPF.

b)

Add a layer 3 switch and create a VLAN.

c)

Add a bridge between two switches.

d)

Add a firewall and implement proper ACL.

70.

A technician discovers that multiple switches require a major update. Which of the following policies should be followed?

a)

Change management policy

b)

Remote access policy

c)

Acceptable use policy

d)

Memorandum of understanding

71.

Two weeks after installation, a network technician is now unable to log onto any of the newly installed company switches. The technician suspects that a malicious user may have changed the switches’ settings before they were installed in secure areas. Which of the following is the MOST likely way in which the malicious user gained access to the switches?

a)

Via SSH using the RADIUS shared secret

b)

Via HTTP using the default username and password

c)

Via console using the administrator’s password

d)

Via SNMP using the default RO community

72.

A customer cannot access a company’s secure website. The company’s network security is reviewing the firewall for the server and finds the following output:


Which of the following changes should be made to allow all customers to access the company’s secure website?

a)

Allow any any 10.5.0.10 443

b)

Allow any any 12.73.15.5 443

c)

Allow 10.5.0.10 443 any any

d)

Allow 10.5.0.10 any 10.5.0.10 80

73.

A network administrator notices that the border router is having high network capacity loads during non-working hours which is causing web services outages. Which of the following is the MOST likely cause?

a)

Evil twin

b)

Session hijacking

c)

Distributed DoS

d)

ARP cache poisoning

74.

When two or more links need to pass traffic as if they were one physical link, which of the following would be used to satisfy the requirement?

a)

Port mirroring

b)

802.11w

c)

LACP

d)

VTP

75.

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 switch connected to the manager’s desktop computers, VoIP phones, and printer

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

76.

A company is experiencing very slow network speeds of 54Mbps. A technician has been hired to perform an assessment on the existing wireless network. The technician has recommended an 802.11n network infrastructure. Which of the following allows 802.11n to reach higher speeds?

a)

MU-MIMO

b)

LWAPP

c)

PoE

d)

MIMO

77.

A technician is setting up a direct connection between two older PCs so they can communicate but not be on the corporate network. The technician does not have access to a spare switch but does have spare Cat 6 cables, RJ-45 plugs, and a crimping tool. The technician cuts off one end of the cable. Which of the following should the technician do to make a crossover cable before crimping the new plug?

a)

Reverse the wires leading to pins 1 and 2

b)

Reverse the wires leading to pins 1 and 3

c)

Reverse the wires leading to pins 2 and 3

d)

.Reverse the wires leading to pins 2 and 4

78.

A contractor was hired to troubleshoot congestion issues on the network. After a few of the switches have been reconfigured/upgraded by the contractor, congestion worsens and collisions increase. Which of the following is the BEST action to alleviate the situation?

a)

Allow the contractor to reset switches to factory defaults

b)

Check the cabling on all switches for improper crossover use

c)

Document the changes that were made

d)

Downgrade firmware and restore backup configuration

79.

A network topology that utilizes a central device with point-to-point connections to all other devices is which of the following?

a)

Star

b)

Ring

c)

Mesh

d)

Bus

80.

Which of the following physical security controls prevents an attacker from gaining access to a network closet?

a)

CCTVs

b)

Proximity readers

c)

Motion sensors

d)

IP cameras