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Actual Exam Version:
QUESTION NO: 1
A switch has detected duplicate broadcast messages sourced from a second port. The broadcasts continue to be transmitted and duplicated until the amount of traffic causes severe performance issues. Which of the following should be configured to prevent this behavior?
A. BPDU guard
B. DHCP snooping
C. ARP protection
D. Spanning tree
QUESTION NO: 2
A Chief Information Officer (CIO) is concentrated about an attacker gaining administrative access to the company’s network devices. Which of the following is the MOST secure way to prevent this?
A. ACL allowing only HTTP
B. ACL allowing only Telnet
C. Out-of-band modem
D. Out-of-band console router
QUESTION NO: 3
The Chief Executive Officer’s (CEO’s) tablet cannot connect to the wireless network from the corner office. A network technician verified the tablet can connect to the wireless network in other areas of the building. The distance between the office and the 802.11ac WAP is 150ft (46m), and there are a few cubicles in between. Which of the following is the MOST likely cause of the tablet not connecting?
A. Absorption
B. Reflection
C. Distance
D. Refraction
E. Attenuation
QUESTION NO: 4
A company has two geographically separate locations that need to connect using a VPN. Which of the following devices must be specifically configured to allow VPN traffic into the network?
A. Firewall
B. Switch
C. Router
D. Modem
QUESTION NO: 5
A technician is working on a new machine that has been procured for testing and development. The machine will run a hypervisor and host several operating systems of various types so the development team can test the company’s applications in a variety of environments. The technician wants the virtual machines to be available to communicate with each other without leaving the hypervisor. Which of the following is the BEST solution to the problem?
A. The technician should connect the machine to its own separate switch.
B. The technician should add a route in each virtual machine to the default gateway.
C. The technician should configure a virtual switch.
D. The technician should set up individual routes between the machines.
QUESTION NO: 6
A network technician is repurposing a switch that has been in storage for some time. The device has been wiped to factory defaults. Which of the following should be done FIRST to ensure the device has been hardened before configuration?
A. Generate new keys.
B. Disable unused ports.
C. Check for updated firmware.
D. Configure the default VLAN.
QUESTION NO: 7
A technician is setting up a wireless access point in a coffee shop. The shop is not concerned with security but only wants to allow customers to have access. Which of the following configurations should the technician deploy?
A. Use a pre-shared key.
B. Set up EAP.
C. Configure RADIUS.
D. Configure MAC filtering.
QUESTION NO: 8
A network administrator is assigned to run and connect a Cat 6e Ethernet cable between two nodes in a datacenter. Which of the following connector types should the network administrator use to terminate this cable?
A. DB-9
B. RS-232
C. DB-25
D. RJ-45
QUESTION NO: 9
Management has requested that services be available within 72 hours of a disaster. Budget is a major concern. A contract is signed with a company that has plenty of space, and the technician will have the option of putting infrastructure equipment in place. Which of the following BEST describes this business continuity strategy?
A. Cold site
B. Differential backup
C. Hot site
D. Incremental backup
E. Warm site
F. Full backup
QUESTION NO: 10
A network technician is planning to update the firmware on a router on the network. The technician has downloaded the file from the vendor’s website. Before installing the firmware update, which of the following steps should the technician perform to ensure file integrity?
A. Perform antivirus and anti-malware scans of the file.
B. Perform a hash on the file for comparison with the vendor’s hash.
C. Download the file a second time and compare the version numbers.
D. Compare the hash of the file to the previous firmware update.
QUESTION NO: 11
A network technician performs a wireless site survey at a company building and identifies that the cafeteria is not covered by a wireless signal. The cafeteria is located in a medium-size, squareshaped room. Which of the following types of WAP antenna should the technician install in the center of the cafeteria to provide the BEST coverage?
A. Unidirectional
B. Parabolic
C. Omnidirectional
D. Yagi
QUESTION NO: 12
An entire enterprise cannot access a specific website. The network technician knows the website was accessible last week. The technician can also ping the website. Which of the following is the technician MOST likely to find upon investigation?
A. The firewall is misconfigured.
B. The network is being hit by a zero-day attack.
C. The SSL certificate is untrusted.
D. The SSL certificate has expired.
QUESTION NO: 13
At which of the following OSI model layers would a router operate?
A. Physical
B. Network
C. Transport
D. Data link
QUESTION NO: 14
Which of the following are DNS record types? (Choose three.)
A. CNAME
B. NTP
C. PTR
D. LDAP
E. DHCP
F. TTL
G. SRV
H. SSH
QUESTION NO: 15
Which of the following backup techniques is used to capture all the data that has changed since the last full backup?
A. Incremental
B. Replica
C. Differential
D. Snapshot
QUESTION NO: 16
A network administrator frequently needs to assist users with troubleshooting network hardware remotely, but the users are non-technical and unfamiliar with network devices. Which of the following would BEST help the administrator and users during hands-on troubleshooting?
A. Logical diagrams
B. MDF documentation
C. Equipment labeling
D. Standard operating procedures
QUESTION NO: 17
A technician is observing brownout issues at a smaller office. At least once a week, the edge switch power cycles. Which of the following should the technician do to resolve the issue?
A. Install a new switch
B. Install a UPS
C. Replace the switch uplink cable.
D. Install a new electrical circuit.
QUESTION NO: 18
A technician is troubleshooting a workstation’s network connectivity and wants to confirm which switchport corresponds to the wall jack the PC is using. Which of the following concepts would BEST help the technician?
A. Consistent labeling
B. Change management
C. Standard work instructions
D. Inventory management
E. Network baseline
QUESTION NO: 19
Under which of the following layers of the OSI model do ATM cells operate?
A. Data link
B. Network
C. Session
D. Transport
E. Presentation
QUESTION NO: 20
A new building needs to be joined to an existing network, but management has decided that running fiber is too expensive. Since the buildings are about 1000ft (305m) apart, the IT department has been asked to propose alternatives. Which of the following is the BEST device to add to each building to facilitate the extension of the network while meeting budgetary demands?
A. Switch
B. Router
C. Media converter
D. PRP wireless
QUESTION NO: 21
A junior network technician is working in the field and needs to connect to the company’s remote server, however, doing so will require the junior technician to use the public Internet. Because security is a concern, which of the following is the BEST method to use?
A. Telnet
B. SSH
C. SFTP
D. VNC
QUESTION NO: 22
A home user has purchased a new smart TV to stream online video services. The smart TV is unable to connect to the wireless network after several attempts. After returning from vacation, the home user tries again and can connect the TV to the wireless network. However, the user notices a laptop is no longer able to connect to the network. Which of the following is the MOST likely cause?
A. The DHCP scope has been exhausted.
B. The security passcode has been changed.
C. The SSID is hidden.
D. The AP configuration was reset.
QUESTION NO: 23
A security guard notices an authorized individual, who is dressed like a lab technician, has entered a secure area of the hospital with a large group. Which of the following security attacks is taking place?
A. Evil twin
B. Social engineering
C. Insider threat
D. Phishing
QUESTION NO: 24
Which of the following DNS record types allows IPv6 records to be resolved to DNS names?
A. PTR
B. A
C. AAAA
D. SRV
QUESTION NO: 25
A network technician has recently installed new VoIP phones at all employee’s desks to support a new SIP cloud VoIP solution. However, the technician is unable to make a call from the device after testing. Which of the following should the technician verify? (Choose two.)
A. TCP 443 is allowed.
B. UDP 1720 is allowed.
C. UDP 5060 is allowed.
D. UDP 5061 is allowed.
E. TCP 8080 is allowed.
F. TCP 8181 is allowed.
QUESTION NO: 26
Which of the following would allow a network technician to access files on a remote system? (Choose two.)
A. FTP
B. TFTP
C. VLSM
D. SIP
E. SMTP
F. IMAP
QUESTION NO: 27
Which of the following provides two-factor authentication?
A. Username + password
B. Smart card + PIN
C. Fingerprint + retina scan
D. Key fob + ID card
QUESTION NO: 28
A technician set up a new SOHO network recently. The installed router has four Ethernet ports, however, the customer has seven devices that need wired connections. Which of the following should the technician do to BEST meet the customer’s requirements?
A. Install a six-port switch.
B. Configure port forwarding on the router.
C. Install WAPs near the devices.
D. Configure the switch ports as EtherChannel ports.
QUESTION NO: 29
A technician is performing a maintenance task on a weekly basis and wants to ensure the task is properly documented and able to be performed by other technicians. Which of the following types of documentation should the technician complete?
A. Standard operating procedure
B. Work order
C. Performance baseline
D. Logical diagram
E. Change management
QUESTION NO: 30
A company is allowing its employees to use their personal computers, tablets, and IoT devices while at work. However, there are rules and guidelines to which employees must adhere. Which of the following documents applies to these employees?
A. NDA
B. SOP
C. BYOD
D. SLA
QUESTION NO: 31
Which of the following are characteristics of jumbo frames? (Choose two.)
A. Commonly used on SAN
B. MTU size greater than 1500
C. MTU size greater than 10000
D. Commonly used on IaaS
E. MTU size greater than 12000
QUESTION NO: 32
A network administrator gets a call regarding intermittent network outages across the country. Which of the following should be used to connect to the network so the administrator can troubleshoot this issue from home? (Choose two.)
A. FTP
B. SMTP
C. VPN
D. SSH
E. SNMP
QUESTION NO: 33
A network technician downloaded new firmware for the company firewall. Which of the following should the network technician verify to ensure the downloaded file is correct and complete?
A. File hash
B. File date
C. File type
D. File size
QUESTION NO: 34
A technician is troubleshooting network connectivity issues with a remote host. Which of the following tools would BEST inform the technician of nodes between the client and the remote host? (Choose two.)
A. tracert
B. ping
C. tcpdump
D. pathping
E. netstat
F. nslookup
G. route
QUESTION NO: 35
Which of the following will listen on the line to ensure there is no traffic transmitting and implement a back-off timer if a collision occurs?
A. CSMA/CD
B. CSMA/CA
C. MPLS
D. OSPF
QUESTION NO: 36
A network technician receives a call from a branch office about a problem with its wireless connectivity. The user states the office is hosting a large meeting that includes some online training with local businesses. The guest users have all brought devices to connect to the guest network at the branch office. All users are connected to a single WAP and are reporting that connections keep dropping and network spends are unusable. Which of the following is the MOST likely cause of this issue?
A. DHCP exhaustion
B. Channel overlapping
C. Interference
D. Overcapacity
QUESTION NO: 37
Which of the following BEST describes an exploit?
A. A router with default credentials
B. An open mail relay server
C. An SNMPv1 private community
D. A privilege escalation script
QUESTION NO: 38
A server in a LAN was configured to act as a gateway between all company computers and an external network. Which of the following networking devices offers the ability to increase both performance and security?
A. Load balancer
B. IDS
C. Proxy server
D. Wireless controller
QUESTION NO: 39
A technician is setting up VoIP phones on a wireless network. Users report that calls are choppy and sometimes dropped. The technician has measured two characteristics using simple command-line tools that verify the problem. Which of the following characteristics did the technician measure? (Choose two.)
A. Reflection
B. Latency
C. Interference
D. Packet loss
E. Signal-to-noise ratio
F. Attenuation
QUESTION NO: 40
Which of the following ports should a network technician open on a firewall to back up the configuration and operating system files of a router to a remote server using the FASTEST method possible?
A. UDP port 22
B. TCP port 22
C. TCP port 25
D. UDP port 53
E. UDP port 69
QUESTION NO: 41
A technician is replacing a failed SOHO router for a customer who has an existing switch, cable modem, and static IP address. The user has a web server that faces the Internet so users can visit and leave comments. Which of the following BEST describes the correct configuration for this customer’s requirements?
A. The modem is placed in bridge mode, the router is placed behind the modem, and the web server is placed behind the router.
B. The router is placed in bridge mode, the modem is placed behind the router, and the web server is placed behind the modem.
C. The web server is placed in bridge mode, the router is placed behind the web server, and the modem is placed behind the router.
D. The switch is placed in bridge mode, the modem is placed behind the router, and the router is placed behind the modem.
QUESTION NO: 42
A network technician is attempting to troubleshoot a connectivity issue. The issue is only reported during the evening hours, and only a single workstation loses connectivity. Which of the following is the MOST likely cause of the issue?
A. The router has a time-based ACL, applied for the network segment.
B. A light source is creating EMI interference, affecting the UTP cabling.
C. Nightly backups are consuming excessive bandwidth.
D. The user has violated the AUP, and Internet access has been restricted.
QUESTION NO: 43
A network administrator is redesigning network security after an attack. During the attack, an attacker used open cubicle locations to attach devices to the network. The administrator wants to be able to monitor future attacks in a safe environment and determine the method of attack. Which of the following should the administrator do to BEST meet this requirement?
A. Create a VLAN for the unused ports and create a honeyspot on the VLAN.
B. Install a BPDU guard on switch ports and enable STP.
C. Create a DMZ for public servers and secure a segment for the internal network.
D. Install antivirus software and set an ACL on the servers.
QUESTION NO: 44
A company has just refreshed the hardware in its datacenter with new 10G Ethernet switches. A technician wishes to set up a new storage area network but must use existing infrastructure.
Which of the following storage standards should the technician use?
A. iSCSI
B. Fibre Channel
C. NAS
D. InfiniBand
QUESTION NO: 45
A network technician needs to install a new access switch. After installing the new switch, the technician begins to move connections from the old switch to the new switch. The old switch used a GBIC with SC connectors, and the new switch uses an SFP with LC connectors. After connecting the SC connector to the SC-to-LC adapter and plugging it into the switch, the link does not come up as expected. Which of the following should a network technician perform NEXT?
A. Replace SFP with a new one.
B. Fall back to the old switch.
C. Transpose the fiber pairs.
D. Replace multimode with single-mode cable.
QUESTION NO: 46
A network technician is installing a new SOHO branch office that requires the use of a DOCSIScompatible modem. The modem needs to be connected to the ISP’s network at the demarc. Which of the following cable types should be used?
A. UTP
B. Multimode
C. Coaxial
D. Serial
QUESTION NO: 47
A technician needs to order cable that meets 10GBaseT and fire safety requirements for an installation between a drop ceiling and a standard ceiling. Which of the following should the technician order to ensure compliance with the requirements?
A. PVC Cat 5
B. Plenum Cat 5e
C. Plenum Cat 6a
D. PVC Cat 7
QUESTION NO: 48
Which of the following physical security devices is used to detect unauthorized server room access?
A. Access badge
B. Biometrics
C. Smart card
D. Video surveillance
QUESTION NO: 49
A network technician recently installed a new server on a network. The technician must ensure the server does not have any unnecessary services running. The IP address of the server is 204.211.38.50. Which of the following commands would allow the technician to make this determination?
A. nmap
B. pathping
C. route
D. nslookup
QUESTION NO: 50
Joe, an employee at a large regional bank, wants to receive company email on his personal smartphone and tablet. To authenticate on the mail server, he must first install a custom security application on those mobile devices. Which of the following policies would BEST enforce this requirement?
A. Incident response policy
B. BYOD policy
C. DLP policy
D. Remote access policy
QUESTION NO: 51
A technician is allocating the IP address space needed for a new remote office. This office will contain the engineering staff with six employees and the digital marketing staff with 55 employees. The technician has decided to allocate the 192.168.1.0/24 block to the remote office. The engineering staff has been allocated the 192.168.1.64/29 subnet. Using the LEAST amount of space possible, which of the following would be the last usable IP address in the engineering subnet?
A. 192.168.1.62
B. 192.168.1.63
C. 192.168.1.70
D. 192.168.1.71
QUESTION NO: 52
An administrator is troubleshooting a user’s intermittent wireless connectivity issue. Other users across the hallway can connect and use the wireless network properly. Upon inspection of the connection details, the administrator finds the following:
Which of the following is MOST likely the cause of the poor wireless connection?
A. Channel overlap
B. Overcapacity
C. Incorrect antenna type
D. Latency
QUESTION NO: 53
A VoIP system will require 23 concurrent voice channels and one signaling channel. Which of the following types of WAN service would provide the BEST connectivity to the PSTN?
A. PRI
B. BRI
C. E1/E3
D. DSL
QUESTION NO: 54
A network administrator is going to be performing a major upgrade to the network. Which of the following should the administrator use in case of a failure?
A. Baseline report
B. Vulnerability report
C. Rollback plan
D. Business continuity plan
QUESTION NO: 55
A web application is unable to authenticate customers so they can access their bills. The server administrator has tested the LDAP query but is not receiving results. Which of the following is the NEXT step the server administrator should take to correct the problem?
A. Check port 636 to see if it is being blocked.
B. Change service port 636 to port 389.
C. Restart the web server.
D. Verify the browser is using port 443.
QUESTION NO: 56
Which of the following is networking stand-alone hardware that will permit any WiFi-compliant device to connect to a wired network?
A. Wireless hub
B. Wireless firewall
C. Wireless access point
D. Wireless bridge
QUESTION NO: 57
Which of the following devices are MOST often responsible for 802.1q tagging? (Choose two.)
A. Switch
B. Router
C. IDS
D. Hub
E. IPS
F. Network tap
QUESTION NO: 58
A network technician is installing a new wireless network in a small office. Due to environmental concerns, the customer wants the network to run exclusively on the 5GHz frequency. Which of the following wireless technologies should the technician install to BEST meet this requirement?
(Choose two.)
A. 802.11ac
B. 802.11b
C. 802.11g
D. 802.11n
E. Bluetooth
F. Z-Wave
QUESTION NO: 59
Which of the following concepts would BEST describe when a company chooses to use a third party vendor to host and administer a critical application?
A. SaaS
B. IaaS
C. PaaS
D. CASB
QUESTION NO: 60
A content filter is set to analyze XML and JSON that users access from the Internet. At which of the following layers is this analysis taking place?
A. 1
B. 3
C. 5
D. 7
E. 6
