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WorksheetsComputers N4
Total questions: 25
Worksheet time: 13mins
Question #78
Topic 1
A network technician needs to ensure outside users are unable to telnet into any of the servers at the datacenter. Which of the following ports should be blocked when checking firewall configuration?
A. 22
B. 23
C. 80
D. 3389
E. 8080
Question #79
Topic 1
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?
A. ipconfig
B. nslookup
C. arp
D. route
Question #80
Topic 1
A technician is connecting multiple switches to create a large network for a new office. The switches are unmanaged Layer 2 switches with multiple connections between each pair. The network is experiencing an extreme amount of latency. Which of the following is MOST likely occurring?
A. Ethernet collisions
B. A DDoS attack
C. A broadcast storm
D. Routing loops
Question #81
Topic 1
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?
A. MIMO
B. TKIP
C. LTE
D. SSID
Question #82
Topic 1
Which of the following systems would MOST likely be found in a screened subnet?
A. RADIUS
B. FTP
C. SQL
D. LDAP
Question #83
Topic 1
Which of the following would need to be configured to ensure a device with a specific MAC address is always assigned the same IP address from DHCP?
A. Scope options
B. Reservation
C. Dynamic assignment
D. Exclusion
E. Static assignment
Question #84
Topic 1
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?
A. Motion detection
B. Access control vestibules
C. Smart lockers
D. Cameras
Question #85
Topic 1
A workstation is configured with the following network details:
Software on the workstation needs to send a query to the local subnet broadcast address. To which of the following addresses should the software be configured to send the query?
A. 10.1.2.0
B. 10.1.2.1
C. 10.1.2.23
D. 10.1.2.255
E. 10.1.2.31
Question #86
Topic 1
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?
A. TTL
B. MX
C. TXT
D. SOA
Question #88
Topic 1
A technician is installing multiple UPS units in a major retail store. The technician is required to keep track of all changes to new and old equipment. Which of the following will allow the technician to record these changes?
A. Asset tags
B. A smart locker
C. An access control vestibule
D. A camera
Question #89
Topic 1
Which of the following attacks encrypts user data and requires a proper backup implementation to recover?
A. DDoS
B. Phishing
C. Ransomware
D. MAC spoofing
Question #90
Topic 1
A network administrator wants to analyze attacks directed toward the company's network. Which of the following must the network administrator implement to assist in this goal?
A. A honeypot
B. Network segmentation
C. Antivirus
D. A screened subnet
Question #91
Topic 1
A network administrator is configuring a database server and would like to ensure the database engine is listening on a certain port. Which of the following commands should the administrator use to accomplish this goal?
A. nslookup
B. netstat -a
C. ipconfig /a
D. arp -a
Question #92
Topic 1
A technician is implementing a new wireless network to serve guests at a local office. The network needs to provide Internet access but disallow associated stations from communicating with each other. Which of the following would BEST accomplish this requirement?
A. Wireless client isolation
B. Port security
C. Device geofencing
D. DHCP snooping
Question #93
Topic 1
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?
A. Cold site
B. Hot site
C. Warm site
D. Cloud site
Question #94
Topic 1
An IT technician suspects a break in one of the uplinks that provides connectivity to the core switch. Which of the following command-line tools should the technician use to determine where the incident is occurring?
A. nslookup
B. show config
C. netstat
D. show interface
E. show counters
Question #95
Topic 1
A technician is connecting DSL for a new customer. After installing and connecting the on-premises equipment, the technician verifies DSL synchronization. When connecting to a workstation, however, the link LEDs on the workstation and modem do not light up. Which of the following should the technician perform during troubleshooting?
A. Identify the switching loops between the modem and the workstation.
B. Check for asymmetrical routing on the modem.
C. Look for a rogue DHCP server on the network.
D. Replace the cable connecting the modem and the workstation.
Question #96
Topic 1
Which of the following services can provide data storage, hardware options, and scalability to a third-party company that cannot afford new devices?
A. SaaS
B. IaaS
C. PaaS
D. DaaS
Question #97
Topic 1
A network administrator is talking to different vendors about acquiring technology to support a new project for a large company. Which of the following documents will MOST likely need to be signed before information about the project is shared?
A. BYOD policy
B. NDA
C. SLA
D. MOU
Question #98
Topic 1
Two remote offices need to be connected securely over an untrustworthy MAN. Each office needs to access network shares at the other site. Which of the following will BEST provide this functionality?
A. Client-to-site VPN
B. Third-party VPN service
C. Site-to-site VPN
D. Split-tunnel VPN
Question #99
Topic 1
A network requirement calls for segmenting departments into different networks. The campus network is set up with users of each department in multiple buildings. Which of the following should be configured to keep the design simple and efficient?
A. MDIX
B. Jumbo frames
C. Port tagging
D. Flow control
Question #100
Topic 1
Which of the following protocols will a security appliance that is correlating network events from multiple devices MOST likely rely on to receive event messages?
A. Syslog
B. Session Initiation Protocol
C. Secure File Transfer Protocol
D. Server Message Block
Question #101
Topic 1
Which of the following is MOST commonly used to address CVEs on network equipment and/or operating systems?
A. Vulnerability assessment
B. Factory reset
C. Firmware update
D. Screened subnet
Question #102
Topic 1
A network technician is investigating an issue with handheld devices in a warehouse. Devices have not been connecting to the nearest APs, but they have been connecting to an AP on the far side of the warehouse. Which of the following is the MOST likely cause of this issue?
A. The nearest APs are configured for 802.11g.
B. An incorrect channel assignment is on the nearest APs.
C. The power level is too high for the AP on the far side.
D. Interference exists around the AP on the far side.
Question #103
Topic 1
Which of the following uses the destination IP address to forward packets?
A. A bridge
B. A Layer 2 switch
C. A router
D. A repeater
