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Question 51
A company just migrated its email service to a cloud solution. After the migration, two-thirds of the internal users were able to connect to their mailboxes, but the connection fails for the other one-third of internal users. Users working externally are not reporting any issues. The network administrator identifies the following output collected from an internal host: c:\user> nslookup newmail.company.com
Non-Authoritative answer:
Name: newmail.company.com -
IPs: 3.219.13.186, 64.58.225.184, 184.168.131.243
Which of the following verification tasks should the network administrator perform NEXT?
- A: Check the firewall ACL to verify all required IP addresses are included.
- B: Verify the required router PAT rules are properly configured.
- C: Confirm the internal DNS server is replying to requests for the cloud solution.
- D: Validate the cloud console to determine whether there are unlicensed requests.
Question 52
A network technician was hired to harden the security of a network. The technician is required to enable encryption and create a password for AP security through the web browser. Which of the following would BEST support these requirements?
- A: ESP
- B: WPA2
- C: IPSec
- D: ACL
Question 53
Which of the following ports are associated with IMAP? (Choose two.)
- A: 25
- B: 110
- C: 143
- D: 587
- E: 993
- F: 995
Question 54
A network administrator is trying to identify a device that is having issues connecting to a switchport. Which of the following would BEST help identify the issue?
- A: A syslog server
- B: Change management records
- C: A rack diagram
- D: The security log
Question 55
A company with multiple routers would like to implement an HA network gateway with the least amount of downtime possible. This solution should not require changes on the gateway setting of the network clients. Which of the following should a technician configure?
- A: Automate a continuous backup and restore process of the system's state of the active gateway.
- B: Use a static assignment of the gateway IP address on the network clients.
- C: Configure DHCP relay and allow clients to receive a new IP setting.
- D: Configure a shared VIP and deploy VRRP on the routers.
Question 56
Which of the following protocols would allow a secure connection to a Linux-based system?
- A: SMB
- B: FTP
- C: RDP
- D: SSH
Question 57
Which of the following provides redundancy on a file server to ensure the server is still connected to a LAN even in the event of a port failure on a switch?
- A: NIC teaming
- B: Load balancer
- C: RAID array
- D: PDUs
Question 58
A network administrator is troubleshooting the communication between two Layer 2 switches that are reporting a very high runt count. After trying multiple ports on both switches, the issue persists. Which of the following should the network administrator perform to resolve the issue?
- A: Increase the MTU size on both switches.
- B: Recertify the cable between both switches.
- C: Perform a factory reset on both switches.
- D: Enable debug logging on both switches.
Question 59
Users attending security training at work are advised not to use single words as passwords for corporate applications. Which of the following does this BEST protect against?
- A: An on-path attack
- B: A brute-force attack
- C: A dictionary attack
- D: MAC spoofing
- E: Denial of service
Question 60
A network administrator would like to enable NetFlow on a Layer 3 switch but is concerned about how the feature may impact the switch. Which of the following metrics should the administrator graph using SNMP to BEST measure the feature's impact?
- A: CPU usage
- B: Temperature
- C: Electrical consumption
- D: Bandwidth usage
Question 61
Which of the following would be used to enforce and schedule critical updates with supervisory approval and include backup plans in case of failure?
- A: Business continuity plan
- B: Onboarding and offboarding policies
- C: Acceptable use policy
- D: System life cycle
- E: Change management
Question 62
A newly installed VoIP phone is not getting the DHCP IP address it needs to connect to the phone system. Which of the following tasks need to be completed to allow the phone to operate correctly?
- A: Assign the phone's switchport to the correct VLAN
- B: Statically assign the phone's gateway address
- C: Configure a route on the VoIP network router
- D: Implement a VoIP gateway
Question 63
Users are reporting intermittent WiFi connectivity in specific parts of a building. Which of the following should the network administrator check FIRST when troubleshooting this issue? (Choose two.)
- A: Site survey
- B: EIRP
- C: AP placement
- D: Captive portal
- E: SSID assignment
- F: AP association time
Question 64
A technician is setting up a new router, configuring ports, and allowing access to the Internet. However, none of the users connected to this new router are able to connect to the Internet. Which of the following does the technician need to configure?
- A: Tunneling
- B: Multicast routing
- C: Network address translation
- D: Router advertisement
Question 65
A network administrator is testing performance improvements by configuring channel bonding on an 802.11ac AP. Although a site survey detected the majority of the 5GHz frequency spectrum was idle, being used only by the company's WLAN and a nearby government radio system, the AP is not allowing the administrator to manually configure a large portion of the 5GHz frequency range. Which of the following would be BEST to configure for the WLAN being tested?
- A: Upgrade the equipment to an AP that supports manual configuration of the EIRP power settings
- B: Switch to 802.11n, disable channel auto-selection, and enforce channel bonding on the configuration
- C: Set up the AP to perform a dynamic selection of the frequency according to regulatory requirements
- D: Deactivate the band 5GHz to avoid interference with the government radio
Question 66
Which of the following options represents the participating computers in a network?
- A: Nodes
- B: CPUs
- C: Servers
- D: Clients
Question 67
An administrator is working with the local ISP to troubleshoot an issue. Which of the following should the ISP use to define the furthest point on the network that the administrator is responsible for troubleshooting?
- A: Firewall
- B: A CSU/DSU
- C: Demarcation point
- D: Router
- E: Patch panel
Question 68
An IT organization needs to optimize speeds for global content distribution and wants to reduce latency in high-density user locations. Which of the following technologies BEST meets the organization's requirements?
- A: Load balancing
- B: Geofencing
- C: Public cloud
- D: Content delivery network
- E: Infrastructure as a service
Question 69
To access production applications and data, developers must first connect remotely to a different server. From there, the developers are able to access production data. Which of the following does this BEST represent?
- A: A management plane
- B: A proxy server
- C: An out-of-band management device
- D: A site-to-site VPN
- E: A jump box
Question 70
Which of the following is conducted frequently to maintain an updated list of a system's weaknesses?
- A: Penetration test
- B: Posture assessment
- C: Risk assessment
- D: Vulnerability scan
Question 71
A systems administrator wants to use the least amount of equipment to segment two departments that have cables terminating in the same room. Which of the following would allow this to occur?
- A: A load balancer
- B: A proxy server
- C: A Layer 3 switch
- D: A hub
- E: A Layer 7 firewall
Question 72
An administrator needs to connect two laptops directly to each other using 802. 11ac but does not have an AP available. Which of the following describes this configuration?
- A: Basic service set
- B: Extended service set
- C: Independent basic service set
- D: MU-MIMO
Question 73
A network administrator is reviewing the following metrics from a network management system regarding a switchport. The administrator suspects an issue because users are calling in regards to the switch port's performance:
Based on the information in the chart above, which of the following is the cause of these performance issues?
- A: The connected device is exceeding the configured MTU.
- B: The connected device is sending too many packets.
- C: The switchport has been up for too long.
- D: The connected device is receiving too many packets.
- E: The switchport does not have enough CRCs.
Question 74
A network administrator is installing a new server in the datacenter. The administrator is concerned the amount of traffic generated will exceed 1GB, and higher- throughput NICs are not available for installation. Which of the following is the BEST solution for this issue?
- A: Install an additional NIC and configure LACP
- B: Remove some of the applications from the server
- C: Configure the NIC to use full duplex
- D: Configure port mirroring to send traffic to another server
- E: Install a SSD to decrease data processing time
Question 75
A malicious user is using special software to perform an on-path attack. Which of the following best practices should be configured to mitigate this threat?
- A: Dynamic ARP inspection
- B: Role-based access
- C: Control plane policing
- D: MAC filtering
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