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Question 1:
Which of the following types of connections would need to be set up to provide access from the internal network to an external network so multiple satellite offices can communicate securely using various ports and protocols?
A. Client-to-site VPN
B. Clientless VPN
C. RDP
D. Site-to-site VPN
E. SSH
Correct Answer: D
Question 2:
On a network with redundant switches, a network administrator replaced one of the switches but was unable to get a connection with another switch. Which of the following should the administrator chock after successfully testing the cable that was wired for TIA/EIA-568A on both ends?
A. If MDIX is enabled on the new switch
B. If PoE is enabled
C. If a plenum cable is being used
D. If STP is disabled on the switches
Correct Answer: A
Explanation: Auto-MDIX (or medium dependent interface crossover) is a feature that automatically detects the type of cable connection and configures the interface accordingly (i.e. straight-through or crossover). This ensures that the connection between the two switches is successful. This is referenced in the CompTIA Network+ Study Manual, page 519.
Question 3:
A network administrator is investigating a network event that is causing all communication to stop. The network administrator is unable to use SSH to connect to the switch but is able to gain access using the serial console port. While monitoring port statistics, the administrator sees the following:
Which of the following is MOST likely causing the network outage?
A. Duplicate IP address
B. High collisions
C. Asynchronous route
D. Switch loop
Correct Answer: B
Question 4:
An administrator is investigating reports of network slowness in a building. While looking at the uplink interface statistics In the switch\’s CLI, the administrator discovers the uplink Is at 100% utilization However, the administrator is unsure how to Identify what traffic is causing the saturation. Which of the following tools should the administrator utilize to identify the source and destination addresses of the traffic?
A. SNMP
B. Traps
C. Syslog
D. NetFlow
Correct Answer: D
To identify the source and destination addresses of the traffic causing network saturation, the network administrator should use a network protocol analyzer that supports the NetFlow protocol. NetFlow is a network protocol that collects IP traffic information as it enters or exits an interface and sends it to a NetFlow collector for analysis. This data includes the source and destination addresses of the traffic, the ports used, and the number of bytes and packets transferred. Therefore, the correct answer is option D, NetFlow. Reference: CompTIA Network+ Study Guide, Exam N10-007, Fourth Edition, by Todd Lammle (Chapter 6: Network Devices)
Question 5:
A network technician is responding to an issue with a local company. To which of 0>e following documents should the network technician refer to determine the scope of the issue
A. MTTR
B. MOU
C. NDA
D. SLA
Correct Answer: D
Question 6:
A website administrator is concerned the company\’s static website could be defaced by hacktivists or used as a pivot point to attack internal systems. Which of the following should a network security administrator recommend to assist with detecting these activities?
A. Implement file integrity monitoring.
B. Change the default credentials.
C. Use SSL encryption.
D. Update the web-server software.
Correct Answer: C
Question 7:
Which of the following layers is where TCP/IP port numbers identify which network application is receiving the packet and where it is applied?
A. 3
B. 4
C. 5
D. 6
E. 7
Correct Answer: B
Question 8:
The following configuration is applied to a DHCP server connected to a VPN concentrator:
There are 300 non-concurrent sales representatives who log in for one hour a day to upload reports, and 252 of these representatives are able to connect to the VPN without any Issues. The remaining sales representatives cannot connect to the VPN over the course of the day. Which of the following can be done to resolve the issue without utilizing additional resources?
A. Decrease the lease duration
B. Reboot the DHCP server
C. Install a new VPN concentrator
D. Configure a new router
Correct Answer: A
Question 9:
A network administrator is installing a new server in the data center. 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 fun duplex
D. Configure port mirroring to send traffic to another server.
E. Install a SSD to decrease data processing time.
Correct Answer: A
Question 10:
Which of the following is MOST likely to generate significant East-West traffic in a datacenter?
A. A backup of a large video presentation to cloud storage for archival purposes
B. A duplication of a hosted virtual server to another physical server for redundancy
C. A download of navigation data to a portable device for offline access
D. A query from an IoT device to a cloud-hosted server for a firmware update
Correct Answer: B
Question 11:
Which of the following factors should be considered when evaluating a firewall to protect a datacenter\’s east-west traffic?
A. Replication traffic between an on-premises server and a remote backup facility
B. Traffic between VMs running on different hosts
C. Concurrent connections generated by Internet DDoS attacks
D. VPN traffic from remote offices to the datacenter\’s VMs
Correct Answer: A
Question 12:
A company has a geographically remote office. In order to connect to the internet, the company has decided to use a satellite WAN link. Which of the following is the GREATEST concern for this type of connection?
A. Duplex
B. Collisions
C. Jitter
D. Encapsulation
Correct Answer: C
Question 13:
A network architect is developing documentation for an upcoming IPv4/IPv6 dual-stack implementation. The architect wants to shorten the following IPv6 address: ef82:0000:0000:0000:0000:1ab1:1234:1bc2. Which of the following is the MOST appropriate shortened version?
A. ef82:0:1ab1:1234:1bc2
B. ef82:0::1ab1:1234:1bc2
C. ef82:0:0:0:0:1ab1:1234:1bc2
D. ef82::1ab1:1234:1bc2
Correct Answer: D
Question 14:
A PC and a network connectivity, and a help desk technician is attempting to resolve the issue. The technician plans to run a constant ping command from a Windows workstation while testing various possible reasons for the connectivity issue. Which of the following should the technician use?
A. ping -w
B. ping -i
C. ping -s
D. ping -t
Correct Answer: D
Question 15:
Which of the following devices and encapsulations are found at the data link layer? (Choose two.)
A. Session
B. Frame
C. Firewall
D. Switch
E. Packet
F. Router
Correct Answer: BD
