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A network administrator is switching to IPv6 and wants to be able to use packet-tracing software on the network to monitor traffic. The administrator wants to set up the IP addressing to include the MAC address of each machine that is connected. Which of the following should the administrator implement? (Select two).
To set up IPv6 addressing that includes the MAC address of each connected machine, the network administrator should implement EUI-64 and SLAAC (Stateless Address Autoconfiguration). EUI-64 is a method used in IPv6 to automatically generate the interface identifier part of the address from the MAC address of the network card, thereby embedding the MAC address in the IPv6 address. SLAAC is a mechanism where a device can assign itself a unique IPv6 address in conjunction with the EUI-64 process, without the need for manual configuration or the necessity of DHCP. These two methods combined enable each device on the network to automatically configure its own IPv6 address that includes its MAC address in a stateless manner.
A user is having difficulty with video conferencing and is looking for assistance. Which of the following would BEST improve performance?
Quality of service (QoS) is a mechanism that prioritizes network traffic based on different criteria, such as application type, source and destination address, port number, etc., and allocates bandwidth and resources accordingly. QoS would best improve performance for video conferencing, as it would ensure that video traffic gets higher priority and lower latency than other types of traffic on the network. Packet shaping is a technique that controls the rate or volume of network traffic by delaying or dropping packets that exceed certain thresholds or violate certain policies, which may not improve performance for video conferencing if it causes packet loss or jitter. Port mirroring is a technique that copies traffic from one port to another port on a switch for monitoring or analysis purposes, which does not improve performance for video conferencing at all. Load balancing is a technique that distributes network traffic across multiple servers or devices for improved availability and scalability, which does not
A technician is troubleshooting a connectivity issue with an end user. The end user can access local network shares and intranet pages but is unable to access the internet or remote resources. Which of the following needs to be reconfigured?
The end user can access local network shares and intranet pages, which means that the IP address and the subnet mask are configured correctly and the network interface is working properly.
However, the end user is unable to access the internet or remote resources, which means that there is a problem with the name resolution or the routing of the traffic.
The gateway address is responsible for routing the traffic to the destination network, which could be on the internet or another subnet. If the gateway address is incorrect, the end user would not be able to reach any network outside the local subnet.
The DNS servers are responsible for resolving the domain names to the IP addresses, which are needed to communicate with the internet or remote resources. If the DNS servers are incorrect, the end user would not be able to resolve the names of the websites or servers they want to access.
Therefore, the most likely cause of the connectivity issue is that the DNS servers need to be reconfigured with the correct addresses.Reference:
Network+ N10-008 Practice Test, Question 359
CompTIA Network+ (N10-008) Performance-based Questions (PBQs), Part 1, 1:36
Network connectivity in an extensive forest reserve was achieved using fiber optics. A network fault was detected, and now the repair team needs to check the integrity of the fiber cable. Which of me following actions can reduce repair time?
The other options are not suitable for testing fiber optic cables:
1: Optical Fiber - N10-008 CompTIA Network+ : 1.3
2: CompTIA Network+ N10-008 Full Course for Beginners - Fiber Optic Cabling and Connectors
3: Wire Crimpers and Testers - N10-008 CompTIA Network+ : 1.3
Which of the following most likely determines the size of a rack for installation? {Select two).
