Question 451 · 871 in bank
Which of the following layers is where TCP/IP port numbers identify which network application is receiving the packet and where it is applied?
Show answer
Answer: B
CompTIA Network+ (2021 series)871 questions across 88 pages are complete and free, with no account or card.
871 questions in this bank
Free access · progress saved on this device
Which of the following layers is where TCP/IP port numbers identify which network application is receiving the packet and where it is applied?
Answer: B
A network administrator is designing a new datacenter in a different region that will need to communicate to the old datacenter with a secure connection. Which of the following access methods would provide the BEST security for this new datacenter?
Answer: D
Site-to-Site VPN connections are used to connect regional offices back to a main branch office. Encapsulates entire packets & puts another header on top of them. This is going to increase the size of the packets that can meet the MTU. You readdress the packets with a header & then ship them to somebody else. The new header is going to have a new source & destination read by the VPN terminating devices located @ the different site that it is to going to. Once the packet reaches the other site, the VPN concentrator will remove the outer envelope of the header & therefore decapsulate the packets to be decrypted & routed across the LAN, just as if it was coming from an internally connected client. This is better worded than my other. ^
Source: Adapted from community discussion — Mehsotopes
A user reports that a crucial fileshare is unreachable following a network upgrade that was completed the night before. A network technician confirms the problem exists. Which of the following troubleshooting steps should the network technician perform NEXT?
Answer: A
I asked ChatGPT which gave me generic C however this is a COMPTIA exam. I asked BING AI which referenced Comptia websites 3 times to determine answer is. A!! After confirming the problem, the next step in the troubleshooting process is to establish a theory of probable cause (Option A)12. This involves analyzing the information collected to get an idea of the type of problem, which assets it has affected, and even if it has been encountered in the past2. Once a probable cause has been established, the technician can then create a plan of action to resolve the problem, implement the solution, and document the problem and the solution3. So, the correct answer is Option A. Learn more 1 comptia.org 2 comparitech.com 3 comptia.org 4 spiceworks.com 5 dnsstuff.com
Source: Adapted from community discussion — [Removed]
A network engineer is designing a wireless network that has the following requirements: • Network speed must be higher than 100Mbps • Must use the 2.4GHz and 5GHz bands Which of the following 802.11 standards should the engineer select?
Answer: D
Knowing CompTIA they would include it and claim n is the correct answer because you can achieve the same results for less cost LOL
Source: Adapted from community discussion — Molongo
A network engineer is investigating reports of poor performance on a videoconferencing application. Upon reviewing the report, the engineer finds that available bandwidth at the WAN connection is low. Which of the following is the MOST appropriate mechanism to handle this issue?
Answer: A
A. Traffic shaping Traffic shaping is a network management technique that controls the flow of network traffic to ensure that certain types of traffic are given higher priority over others. In this case, by implementing traffic shaping, the network engineer can prioritize and allocate sufficient bandwidth for the videoconferencing application to ensure its performance and quality.
Source: Adapted from community discussion — Hchfyvggjg
Which of the following protocols can be routed?
Answer: C
According to ChatGPT... The protocols that can be routed are those that are routable, which means that they can be used in a routed network topology. Of the options given, the only protocol that can be routed is C. iSCSI. A. FCoE (Fibre Channel over Ethernet) is a protocol used to transport Fibre Channel traffic over Ethernet networks, but it is not a routable protocol. B. Fibre Channel is a protocol used for storage area networks (SANs) and is not a routable protocol. C. iSCSI (Internet Small Computer System Interface) is a protocol used to transport SCSI commands over IP networks and is routable. D. NetBEUI (NetBIOS Extended User Interface) is a non-routable protocol that is used in some legacy Windows networks. Therefore, the correct answer is C. iSCSI.
Source: Adapted from community discussion — applicat1ons
A Fortune 500 company would like to move its on-premises corporate email systems to a multitenant product hosted in the cloud where no maintenance of the underlying server OS or platform is required. Which of the following BEST represents the model the company should choose?
Answer: A
ChatGPT: A public cloud model would be the most suitable option for the Fortune 500 company's requirements. In a public cloud model, the corporate email systems would be hosted in a cloud environment that is shared by multiple organizations or tenants. The company would not need to worry about maintenance of the underlying server operating system (OS) or platform, as those responsibilities would be handled by the cloud service provider. The company would have the advantage of scalability, cost-effectiveness, and the ability to access email systems from anywhere with internet connectivity. Public cloud models are typically managed by third-party providers and are accessible to a wide range of customers over the internet.
Source: Adapted from community discussion — CookieChip
Which of the following situations would require an engineer to configure subinterfaces?
Answer: A
A. In a router-on-a-stick deployment with multiple VLANs, an engineer would need to configure subinterfaces. A router-on-a-stick deployment is a networking configuration that enables routing between multiple VLANs using a single physical interface on a router. In this configuration, the router interface is divided into multiple logical interfaces, known as subinterfaces, each of which is associated with a specific VLAN. By configuring subinterfaces on the router, the engineer can route traffic between multiple VLANs using a single physical interface. Enabling inter-VLAN routing on a multilayer switch (B) would require configuring a Layer 3 interface on the switch, not subinterfaces. Configuring VLAN trunk links between switches (C) would not require subinterfaces. Connecting a router that does not support 802.1Q VLAN tags (D) would require configuring the router to use a different VLAN tagging protocol, but it would not require configuring subinterfaces.
Source: Adapted from community discussion — Sinfulonsunday
At which of the following OSI model layers does a MAC filter list for a wireless infrastructure operate?
Answer: D
D. Data link layer is where a MAC filter list for a wireless infrastructure operates. The data link layer is the second layer in the OSI model and is responsible for providing error-free transfer of data frames between nodes over a physical link. This layer is divided into two sub-layers: the Media Access Control (MAC) layer and the Logical Link Control (LLC) layer. The MAC layer is responsible for controlling how devices in a network gain access to the physical medium and transmit data. In wireless networks, a MAC filter list is a security feature that operates at the MAC layer and controls which devices are allowed to connect to the network based on their MAC addresses.
Source: Adapted from community discussion — Sinfulonsunday
The Chief Executive Officer of a company wants to ensure business operations are not disrupted in the event of a disaster. The solution must have fully redundant equipment, real-time synchronization, and zero data loss. Which of the following should be prepared?
Answer: C
C. Hot site is the most appropriate solution for the CEO's requirements. A hot site is a fully redundant data center that has all the necessary hardware, software, and data to support a company's critical business functions in the event of a disaster. The hot site is typically located in a different geographic location than the primary site to ensure business continuity in case of a natural disaster or other disruptive event. The hot site is continuously operational and has real-time data synchronization to ensure zero data loss. A cloud site may be a viable solution as well, as it provides automatic replication and redundancy of data and services across multiple geographic locations. However, the CEO's requirement for fully redundant equipment may not be met with a cloud site. A warm site is a partially configured and equipped data center that requires some setup time to become operational, so it is not an appropriate solution for zero data loss requirements. A cold site is a completely empty data center that requires significant setup time to become operational, making it an unsuitable solution for a CEO who wants to ensure that business operations are not disrupted.
Source: Adapted from community discussion — Sinfulonsunday
Keyboard:J Kmove between questionsA–Dselect an answerRshow or hide the answer← →change page
N10-008 practice, question 451. 871 questions available.
Version 1.0.0. How we source questions