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WorksheetsLearning Labs - Final Exam Review - A+ Core One
Total questions: 80
Worksheet time: 40mins
Name
Class
Date
1.
Whenever a user's machine is turned on, a black screen appears prompting the user for an administrative password. The technician has no such password on file for this machine. Which of the following steps should the technician take to resolve this issue?
a)
A. Press and hold the CPU power button for five seconds, and then power back on.
b)
B. Disconnect and reconnect the internal hard drive.
c)
C. Remove the CMOS battery and reinsert it after ten seconds.
d)
D. Remove the motherboard and place it back into the machine after ten minutes.
2.
A user calls the help desk stating a laptop is performing slowly and the hard drive activity lights are blinking continuously. A technician checks for enough hard drive space, disables antivirus and indexing services, and runs a full-system diagnostics check, which returns no failure. Which of the following should the technician do NEXT?
a)
A. Install a new hard drive
b)
B. Check for hard-drive firmware updates
c)
C. Replace the hard drive with a solid state drive
d)
D. Configure the laptop in high-performance mode
e)
E. Change the boot order in the system BIOS
3.
A customer wants to purchase a new home computer. The machine will mainly be used for Internet browsing and streaming video, except on weekends when the customers' son will use it to play games with friends. Which of the following should the technician focus on to meet these requirements?
a)
A. 80mm case fans
b)
B. Four-core processor
c)
C. RAID 5 array
d)
D. 16GB DDR2 memory
e)
E. Dual monitors
4.
A user's laptop is shutting down unexpectedly. The technician discovers the shutdowns only happen when the laptop is moved from one room to another. The technician reseated the hard drive, memory, battery, and LCD cable, but the laptop continues to shut down. Which of the following is the MOST probable cause of the issue?
a)
A. Residual energy on the motherboard
b)
B. System overheating
c)
C. Distended capacitors
d)
D. Loose battery connection
e)
E. CMOS battery failure
5.
A user wants to build a computer with a high-end CPU, plenty of RAM, and a high-end graphics card for online gaming. The user wants to verify that the graphics card is compatible with the motherboard. Which of the following connection types would the user MOST likely utilize to connect the video card to the motherboard?
a)
A. PCle
b)
B. ISA
c)
C. AGP
d)
D. USB
6.
A technician is ordering a new motherboard and processors for a company email server. When reviewing the vendor licensing agreement, the technician sees that there is a flat per-socket licensing fee. Which of the following motherboard/processor combinations should the technician order get the BEST performance while minimizing licensing fees?
a)
A. A dual-processor motherboard with six hyper threaded cores each.
b)
B. A single-processor motherboard with eight hyper threaded eight cores.
c)
C. A dual-processor motherboard with eight overclocked cores each.
d)
D. A single-processor motherboard with ten overclocked cores.
7.
Which of the following terminates a coaxial cable?
a)
A. DB9
b)
B. RJ45
c)
C. RG-59
d)
D. RS-232
8.
Which of the following connector types is used to terminate household telephone cabling?
a)
A. RG-6
b)
B. RJ-11
c)
C. RJ-45
d)
D. RG-59
9.
Which of the following connector types in MOST appropriate to use to connect a SOHO cable modem to the ISP?
a)
A. DB-9
b)
B. RJ-45
c)
C. RG-59
d)
D. RS-232
10.
Which of the following technologies can be used for wireless payments?
a)
A. NFC
b)
B. Bluetooth
c)
C. IR
d)
D. LTE
11.
Which of the following peripheral types is MOST likely to be used to input actions into a PC?
a)
A. Webcam
b)
B. Mouse
c)
C. Monitor
d)
D. Optical drive
12.
A network administrator is attempting to access the firewall while inside the datacenter. Which of the following peripherals must be connected to do so?
a)
A. KVM
b)
B. Touchpad
c)
C. Mouse
d)
D. Keyboard
13.
A technician is troubleshooting a laptop/projector combination that is displaying artifacts on the screen. When a different laptop is connected to the projector, the image appears to be correct but is very dim. Which of the following steps should the technician take to address these issues? (Choose two.)
a)
A. Update the video drivers on the laptop.
b)
B. Increase the projector contrast.
c)
C. Replace the original laptop.
d)
D. Change the aspect ratio on the projector.
e)
E. Replace the bulb in the projector.
14.
Which of the following peripherals would a company use to take inventory quickly and update price tags for products? (Choose two.)
a)
A. Barcode scanner
b)
B. Label printer
c)
C. Magnetic reader
d)
D. KVM switch
e)
E. NFC device
15.
A company has very strict rules regarding proprietary information leaving the premises. All computers host proprietary information. A technician is called to repair a computer on-site at the company's corporate office. The technician identifies the troubleshooting steps to create a plan of action. The technician determines the computer needs to be taken off-site for repair. Which of the following should the technician do NEXT?
a)
A. Check corporate policies for guidance.
b)
B. Get authorization from the manager.
c)
C. Delete proprietary data before leaving the building.
d)
D. Remove the HDD and send the device for repair.
16.
A user has reported application connectivity problems to the network administrator. The network administrator knows there have been firewall configuration changes recently by a security vendor and believes the issue could be related to a port being closed on the firewall. Which of the following should the network administrator do NEXT?
a)
A. See if the same application fails on another workstation
b)
B. Go into the firewall and open the port
c)
C. Verify system functionality on the user's workstation
d)
D. Document the issue for future reference
17.
A user is unable to access websites and has reported connectivity issues with pop-ups on the screen. A technician removes malware, and then is able to ping the router and access the websites. Which of the following NEXT steps should the technician perform in troubleshooting this issue? (Choose two.)
a)
A. Documents findings, actions, and outcomes.
b)
B. Reboot the device to verify the fix.
c)
C. Reconnect the device to the network.
d)
D. Verify the settings in IPConfig.
e)
E. Run a virus scan.
18.
A technician is dispatched to troubleshoot a slow performance issue on a PC. Upon arrival, the technician immediately opens Task Manager and sees that CPU and RAM performance are within normal ranges. The technician then checks and verifies the speed and duplex settings and performance on the network card. The technician then temporarily disables the antivirus to see if performance is affected, and it is not. After re-enabling the antivirus, which of the following is the NEXT best stop for the technician to take?
a)
A. Check to see if insufficient hard drive space is causing the issue
b)
B. Update the operating system, drivers, and firmware on the PC
c)
C. Log into the PC with another user profile and test performance
d)
D. Shut down the PC, unplug the power for 30 seconds, and then boot the PC
19.
A technician was called to check an unexpected clicking noise on a desktop that has become more frequent every time a video editing application is loaded. The system fans have been replaced, but the clicking noise remains. Diagnostics have been run on the video card. Which of the following should me the technician do FIRST?
a)
A. Replace the hard drive.
b)
B. Replace the video card.
c)
C. Do a System Restore.
d)
D. Perform a full data backup.
e)
E. Scan the system for viruses.
20.
A technician upgraded the memory on a server from two 8GB sticks to eight 32GB. The server memory is now at full capacity per the user guide. When the technician powers on the system, only 128 GB of memory is recognized by the OS and the BIOS. The technician decides to upgrade to the latest version of the firmware on the system, which does not help. Next, the technician installs the memory in sets of 64GB at a time. Each individual set of 64GB is fully recognized by the server. Which of the following will not allow the server to recognize all of the memory installed at the same time?
a)
A. The power supply is not supplying enough power for the memory.
b)
B. The memory has too many ECC errors and is shutting down
c)
C. The server is overheating when all of the memory is installed.
d)
D. The server needs DDR4 memory, and DDR3 is installed.
21.
A server needs a RAM upgrade, and a technician has been tasked with retrieving the RAM from storage and then installing it. Whish of the following is the BEST RAM type for the technician to retrieve?
a)
A. SoDIMM
b)
B. DDR4
c)
C. Single channel
d)
D. ECC
22.
About one week ago, access to files on a network server became significantly slower. Today, network files are completely unavailable. A technician is able to make a remote connection to the server. Which of the following should the technician check NEXT?
a)
A. RAID 5 array
b)
B. NIC configuration
c)
C. Available storage space
d)
D. RAM utilization
23.
A technician is configuring a high-performance workstation. The technician needs to choose storage for the boot drive with the highest performance possible. Which of the following drive types BEST meets this requirement?
a)
A. MicroSD
b)
B. 15K rpm
c)
C. NVMe
d)
D. USB flash
24.
A technician is talking to end users about the specifications for an upgraded application server. The users of the application report that there cannot be any unscheduled downtime or data loss. Additionally, they would like the performance of the application to improve over the previous server in any way possible. The previous server running RAID 5. Which of the following RAID solutions should be implemented in this scenario?
a)
A. RAID 0
b)
B. RAID 2
c)
C. RAID 6
d)
D. RAID 10
25.
A systems administrator receives a notification from the RAID controller that the RAID 5 array is degraded. Upon logging into the server, the administrator sees that on local disk 0, physical disk 2 has failed. Which of the following is the BEST course of action to take to resolve the problem?
a)
A. Schedule system downtime and replace physical disk 2. Wait until the array is rebuilt and confirm in the RAID controller that the system is no longer degraded.
b)
B. Immediately replace physical disk 2. Wait until the arrays is rebuilt and confirm in the RAID controller that the system is no longer degraded.
c)
C. Delete logical disk 0 and manually configure a new RAID array only using the known- good working drives. Wait until the array is rebuilt and confirm in the RAID controller that the system is no longer degraded.
d)
D. In the controller, convert the RAID 5 array to RAID 0 array to avoid system downtime. Wait until the array is rebuilt and confirm in the RAID controller that the system is no longer degraded.
26.
A user is connected to a docking station with an optical drive and is trying to back up personal files to removable media but is encountering write errors. Which of the following is MOST likely cause of the errors?
a)
A. The disk has already been finalized
b)
B. The files are encrypted
c)
C. There is a corrupt file on the hard drive
d)
D. The files are not compatible with the type of disk used
27.
The graphics department has an issue with printing certain files. The printer does not print the complete image on larger files. A technician verifies the network speed of the printer is set to 1GB and that regular text files print without issue. Which of the following is the MOST likely cause of this problem?
a)
A. The printer needs more RAM
b)
B. The print server is timing out
c)
C. The users are not printing in post-script mode
d)
D. The printer network connection is set to half duplex
28.
A shipping department is having problems with its thermal label printer. Two columns on the left are not appearing on all labels. Which of the following should a technician do FIRST?
a)
A. Verify the ribbon is correctly aligned to the label
b)
B. Run a label calibration
c)
C. Remove stuck labels from the print path
d)
D. Replace the print head
29.
Multiple users report that the network printer, which is connected through the print server, is not printing. Which of the following should a technician do FIRST to remedy this situation?
a)
A. Replace the USB cable.
b)
B. Reinstall the drivers on users' PCs.
c)
C. have users restart their PCs.
d)
D. Clear the print queue.
30.
A technician is setting up a printer for a small office that does not have an RJ-45 jack. The users' computers are all in the same workgroup and are connected physically to the same network switch. The technician needs to make sure all users can print to the new printer through the switch. Which of the following should the technician configure?
a)
A. Shared printer
b)
B. Print server
c)
C. Bluetooth printing
d)
D. Cloud printing
31.
A user printed several documents to a shared network copier and noticed that they have very faint color density. A technician investigates the issue and verifies that the printer had a maintenance kit installed recently. Which of the following next steps will MOST likely resolve the issue? (Select two.)
a)
A. Replace the toner cartridges
b)
B. Replace the fuser module
c)
C. Clean the paper tray rollers
d)
D. Adjust the printer settings
e)
E. Replace the developer
32.
A technician configures a new printer to be accessible via a print server. After setting up the printer on a Windows client machine, the printer prints normally. However, after setting up the printer on a macOS client machine, the printer only prints garbled text. Which of the following should the technician do to resolve this issue?
a)
A. Add a macOS-compatible print driver to the printer object on the print server.
b)
B. Configure the Windows client to share the printer with the macOS client.
c)
C. Set the printer on the macOS client to connect to the print server via IPv6.
d)
D. Ensure the network time of the macOS client matches that of the print server.
33.
A user reports that printing on heavy cardstock paper results in the image smearing if touched. When printing on plain paper, the problem does not occur. Which of the following would be the NEXT troubleshooting step to perform?
a)
A. Increase the fuser temperature.
b)
B. Change the paper feed rate.
c)
C. Clean the transfer roller.
d)
D. Replace the toner cartridge.
34.
A user reports a laserjet printer is not printing properly. A technician prints a test page and notices the toner is smeared on the page. The technician confirms the toner cartridge is installed correctly and the paper in the tray is the right size. Which of the following printer components is the MOST likely cause of the problem?
a)
A. Fuser
b)
B. Roller
c)
C. Memory
d)
D. Toner
35.
An end user reports a printer error that states 'Replace filament'. With which of the following types of printer is the end user MOST likely having problems?
a)
A. ink jet
b)
B. Laser
c)
C. 3-D
d)
D. Thermal
36.
A user is having a problem with printing a specific document type. The network printer OCP shows that the printer is online with no errors. Other users are not having the same issue. The user sends the document to another printer and the document prints. Which of the following should a technician do FIRST in troubleshooting the problem?
a)
A. Stop and restart the PC print spooler service.
b)
B. Verify the user is sending the document to the correct printer queue.
c)
C. Have each user send the same document to the correct printer queue.
d)
D. Stop and restart the print server queues, and then have the user resend the document.
37.
A printer has an issue with printing certain graphics files. The printer does not print the complete image on larger files. A technician verifies the network speed of the printer is set to 1GB and that regular text files print without issue. Which of the following is the MOST likely cause of this problem?
a)
A. The printer needs more RAM
b)
B. The print server is timing out
c)
C. The users are not printing in post-script mode
d)
D. The printer network connection is set to half duplex
38.
A user wants to print a large job on both the front and back sides of the paper. Which of the following settings should the technician advise the user to change in the printer settings?
a)
A. Collate
b)
B. Orientation
c)
C. Duplex
d)
D. Transparency
39.
A technician is buying a PC that will host three VMs running at the same time with the current configuration. The technician believes there might be a need to run several additional VMs in the near future. Which of the following resources would be the MOST important to upgrade to allow for the additional VMs?
a)
A. CPU
b)
B. SSD
c)
C. NIC
d)
D. RAM
40.
An analyst asks a technician to recommend a solution for a customer in the software development industry, where the customer can test a variety of OS's running the various applications that the customer produces. The customer wants to minimize the investment in hardware. Which of the following solutions should the technician recommended to BEST meet the customer's requirement?
a)
A. Purchase a number of low-cost devices, installing the required Oss and applications on each one. Use separate machines for each testing environment.
b)
B. Purchase a high-end system meeting the hardware requirements for all of the individual Oss and applications. Configure a VM for each testing environment.
c)
C. Purchase one computer and create images for each computer configuration and OS. Re-image the machine for each testing environment.
d)
D. Purchase a number of computers, installing a VM on each one. Configure each VM with an OS for the testing environment.
41.
Which of the following cloud computing concepts allows scalable services to be provided to the client?
a)
A. On-demand
b)
B. Metered
c)
C. Rapid elasticity
d)
D. Resource pooling
42.
Which of the following cloud computing concepts facilities automated server deployment?
a)
A. NaaS
b)
B. IaaS
c)
C. PaaS
d)
D. SaaS
43.
In a virtual environment, which of the following allows all the VMs to have RAM allocated for use?
a)
A. Resource pooling
b)
B. Measured service
c)
C. Virtual application streaming
d)
D. Synchronization
44.
A systems administrator is configuring a server to host several virtual machines. The administrator configures the server and is ready to begin provisioning the virtual machines. Which of the following features should the administrator utilize to complete the task?
a)
A. Hypervisor
b)
B. Disk management
c)
C. Terminal services
d)
D. Device Manager
e)
E. Virtual LAN
45.
A technician is setting up a VM for use in testing software deployments. The VM is offline, but the hypervisor is not. Which of the following settings should the technician change to resolve this issue?
a)
A. Virtual security
b)
B. Virtual storage
c)
C. Virtual CPU
d)
D. Virtual switch
e)
E. Virtual RAM
46.
An end user has signed up to use a web-based calendar application. Which of the following solutions has the user purchased?
a)
A. DaaS
b)
B. SaaS
c)
C. PaaS
d)
D. laaS
47.
Which of the following resources in the MOST critical when using cloud file-storage synchronization applications?
a)
A. Disk speed
b)
B. I/O bandwidth
c)
C. RAM utilization
d)
D. CPU utilization
48.
Which of the following Ethernet cables would BEST support an application that requires a 600 Mbps throughput at the lowest price point?
a)
A. Cat 3
b)
B. Cat 5
c)
C. Cat 5e
d)
D. Cat 6
49.
Joe, a user, recently purchased a new multifunction printer and attempted to install it himself. He informed a technician that the printer is on his list of printers, but he is unable to print. The technician sees that the printer is listed as a generic printer under Devices and Printers. Which of the following should the technician do NEXT?
a)
A. Reboot the computer into safe mode and try to print a test page
b)
B. Download the correct drivers from the manufacturer's website and install them
c)
C. Unplug the USB cable from the printer and try another USB slot on the PC
d)
D. Set the printer as the default within the device properties
50.
During an inspection, it was found that data racks were not properly grounded. To pass the inspection and address a growing concern to protect data cabling and equipment, a technician must make sure all racks are properly grounded. Which of the following tools should the technician use to verify this has been completed?
a)
A. Multimeter
b)
B. Cable tester
c)
C. Tone generator
d)
D. Voltmeter
51.
A technician is hired to install network cable in a crawl space running the length of a hallway. To do so without a fire code violation, which of the following types of cable should the technician run?
a)
A. Plenum
b)
B. Fiber
c)
C. Shielded
d)
D. Coaxial
52.
An end user is unable to connect to the network, and a technician has visually verified the lights on the back of the PC are active and there is no physical damage to the Ethernet jack. Which of the following tools should the technician use to continue troubleshooting the connection?
a)
A. Punchdown tool
b)
B. Tone generator and probe
c)
C. Cable tester
d)
D. Crimper
53.
Which of the following charging and data ports has a non-directional connector?
a)
A. Micro-USB
b)
B. Mini-USB
c)
C. USB-A
d)
D. USB-C
54.
Which of the following devices can be used to connect multiple devices within a network without broadcasting to every network port?
a)
A. Unmanaged switch
b)
B. Hub
c)
C. Firewall
d)
D. Cable modern
55.
Which of the following devices performs forwarding decisions based on MAC addresses?
a)
A. Switch
b)
B. Router
c)
C. Hub
d)
D. Repeater
56.
Which of the following devices is used to implement network security policies for an environment?
a)
A. Firewall
b)
B. managed switch
c)
C. Repeater
d)
D. Gateway
57.
Which of the following channels would commonly be used on an 802.11 wireless network?
a)
A. 6
b)
B. 17
c)
C. 802
d)
D. 8080
58.
Which of the following wireless standards is only capable of 5GHz frequencies?
a)
A. 802.11a
b)
B. 802.11ac
c)
C. 802.11b
d)
D. 802.11g
59.
Which of the following IEEE 802.11 standards includes the use of MIMO technology?
a)
A. 802.11a
b)
B. 802.11b
c)
C. 802.11g
d)
D. 802.11n
60.
A technician needs to call a user's cellular provider to troubleshoot a network speed issue with the user's mobile device. Which of the following technologies is the technician troubleshooting?
a)
A. Long-term evolution
b)
B. Near-field communication
c)
C. Radio frequency ID
d)
D. Z-wave
61.
A user sets up a cable modem at home and connects the modem to the ISP at the cable company. Which of the following network types does this connection describe?
a)
A. WAN
b)
B. LAN
c)
C. PAN
d)
D. MAN
62.
An office has a network that has all computers connected to two switches. The switches are connected with a fiber cable. The computers and switches are all located in the same building. Which of the following network types does this describe?
a)
A. WAN
b)
B. PAN
c)
C. LAN
d)
D. MAN
63.
A client has three locations within city limits that need to be networked. Vendor network requirements for all three locations are a minimum of 1GB. Which of the following are the types of networks that will MOST likely be used for internal office and office-to-office networking? (Choose two.)
a)
A. MAN
b)
B. LAN
c)
C. WAN
d)
D. PAN
e)
E. SAN
64.
A network administrator would like to increase network bandwidth to 1Gbps between two office buildings that are 0.5mi(805m) apart. Which of the following would be the BEST solution?
a)
A. Fiber
b)
B. Coaxial
c)
C. Plenum
d)
D. Cat 6
65.
A technician receives a cellular from a manager. The technician is instructed to download a service manual directly from the Internet to a laptop. However, there is no WiFi signal or wired Ethernet. Which of the following would be the MOST appropriate connections for the technician to use?
a)
A. Hotspot
b)
B. NFC
c)
C. Bluetooth
d)
D. VPN
66.
Which of the following devices can utilize VLANs to secure networks?
a)
A. Switch
b)
B. Hub
c)
C. Repeater
d)
D. Bridge
67.
A technician has been informed that multiple users are receiving duplicate IP address warnings on their workstations, and they are unable to browse the Internet. Which of the following server types should the technician log in to in order to resolve the problem?
a)
A. DNS server
b)
B. DHCP server.
c)
C. Proxy server
d)
D. RADIUS server
68.
A technician is setting up a new wireless network at a branch office that previously had only wired connectivity with statically assigned IP addresses. After setting up the network, the technician configures a server to provide IP addresses to wireless clients. During testing, the technician is unable to access the Internet or named network resources. The technician receives a valid IP address from the DHCP server and can ping the default gateway. Which of the following should be technician check NEXT to resolve this issue?
a)
A. Ensure the options are configured to provide a DNS server.
b)
B. Verify the Windows Firewall is turned off.
c)
C. Configure the wireless network's SSID to be hidden.
d)
D. Enable file and printer sharing in the OS.
69.
Some users are unable to access the Internet form their workstations. A technician runs the ipconfig command on one of the workstations and sees the following:
See Image
The technician pings 8.8.8.8 and gets no response. Next, the technician pings 192.168.1.1 and gets no response. The technician is able to successfully ping an adjacent workstation but cannot ping the print server on the floor below. Which of the following is the MOST likely cause of the Internet connectivity issue in the office?
a)
A. There is a problem with a router in the office
b)
B. There is a problem with a DNS server in the office
c)
C. The users are not getting correct IP addresses from the DHCP server
d)
D. The wireless access point in the area is down
70.
Ann, an accountant, reports that after turning on her new laptop, she received a message stating her IP address is already in use on the system. She tried going back to her old desktop, which she now only uses for email, but received the same message. The technician checks the account and sees a comment that Ann requires a special network setup to connect to the banking software. Which of the following should the technician do to resolve the issue?
a)
A. Remove the static IP configuration from the desktop.
b)
B. Set the laptop configuration to DHCP to prevent conflicts.
c)
C. Replace the network card in the laptop, as it may be defective.
d)
D. Bridge the LAN connection between the laptop and the desktop.
71.
Several computers are having network connectivity issues. Two of the computers are wired and are not having any issues. The technician verifies that none of the computers having issues have been assigned a static IP. Which of the following should the technician check NEXT?
a)
A. Check the closest AP for the area.
b)
B. Check each wireless adapter switch
c)
C. Check the group's network switch.
d)
D. Check the DHCP server.
72.
Company management wants to be able to give users the ability to work remotely during periods of bad weather. Which of the following should be enabled to allow the workforce to do this?
a)
A. NAT
b)
B. VLAN
c)
C. VPN
d)
D. HIPS
73.
A user received the following error message while trying to access a shared drive: Network Path was Not Found. Which of the following should be performed to resolve the issue? (Select TWO).
a)
A. Set the NIC to full duplex.
b)
B. Disable the local firewall.
c)
C. Reset the TCP/IP stack.
d)
D. Disable the Ethernet adapter.
e)
E. Flush the DNS cache.
74.
A user is no longer able to browse the Internet after returning from vacation. The user is able to log in and navigate to the local intranet, but not to any outside sites. A technician pings a well-known website by name but gets no reply. The technician then pings its IP address and gets a reply. Which of the following commands will MOST likely resolve the issue?
a)
A. ipconfig /all
b)
B. ipconfig /flushdns
c)
C. ipconfig /release
d)
D. ipconfig /setclassid
75.
A network administrator must install a device that will proactively stop outside attacks from reaching the LAN. Which of the following devices would BEST meet the organization's needs?
a)
A. IPS
b)
B. IDS.
c)
C. Proxy server
d)
D. Authentication server.
76.
Which of the following connector types can be plugged into a device both right-side up and upside down?
a)
A. USB
b)
B. USB-C
c)
C. Mini-USB
d)
D. Micro-USB
77.
Which of the following ports are used for secure sessions? (Select two.)
a)
A. 22
b)
B. 23
c)
C. 25
d)
D. 80
e)
E. 443
78.
Which of the following services provides the ability to resolve UNC to appropriate IP addresses?
a)
A. DNS
b)
B. DHCP
c)
C. Proxy
d)
D. Web server
79.
A technician wants to block remote logins to a server. Which of the following ports should be blocked?
a)
A. 21
b)
B. 23
c)
C. 80
d)
D. 443
80.
A technician is troubleshooting network connectivity issues after a new wireless router was installed in an office. Users who connect to the new router are unable to access LAN resources. Which of the following is the MOST likely cause of the issue?
a)
A. There are conflicting DHCP servers on the network
b)
B. There are conflicting ARP records
c)
C. There are conflicting gateways on the network
d)
D. There are conflicting IP protocols
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