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2021 Jan jk0-019 vs jk0-023:

Q361. A technician at a company providing online, real-time media streaming to the Internet needs a network technology that will reduce bandwidth while delivering high throughput. Which of the following can the technician implement to fit these requirements? 

A. Subnetting 

B. Unicast 

C. Broadcast 

D. Multicast 

Answer: D 


Q362. A wireless access point supports up to 20 clients. Which of the following describes this wireless network? 

A. Mesh 

B. Point to point 

C. Point to multipoint 

D. Ring 

Answer: C 


Q363. Which of the following identifies the WLAN Joe, a user, is connected to? 

A. SSID 

B. Frequency 

C. WEP 

D. Channel 

Answer: A 


Q364. 802.11g wireless signals operating at 24GHz has a maximum line of sight range of which of the following? 

A. 460 feet (140 meters) 

B. 540 feet (165 meters) 

C. 560 feet (171 meters) 

D. 840 feet (256 meters) 

Answer: A 


Q365. Which of the following is a purpose of a VLAN? 

A. Decreases bandwidth on a network 

B. Segments broadcast traffic 

C. Increases port speed 

D. Allows another connection to the router 

Answer: B 


Down to date comptia network+ certification exam (jk0-019):

Q366. At which of the following layers does the ICMP protocol operate? 

A. Layer 1 

B. Layer 3 

C. Layer 4 

D. Layer 5 

Answer: B 


Q367. Sandy, the network administrator, has funding to do a major upgrade of the company’s LAN. This upgrade is currently in the planning stage, and Sandy still needs to determine the network requirements, bottlenecks, and any future upgrades in mind. Which of the following is the FIRST step in the planning process? 

A. Conduct a vulnerability scan 

B. Establish a network baseline 

C. Conduct traffic analysis 

D. Conduct a risk assessment 

Answer: B 


Q368. A crossover cable is MOST commonly associated with which of the following layers of the OSI model? 

A. Session 

B. Application 

C. Network 

D. Physical 

Answer: D 


Q369. Which of the following utilities would Karen, a technician, use to resolve the FQDN of a web server to its IP address? 

A. netstat 

B. route 

C. nslookup 

D. arp 

Answer: C 


Q370. Sandy, an administrator, wants to limit the wireless guest network traffic to 100Kbps so that utilization issues do not occur on the company’s T1 Internet access network. Which of the following optimizations should Sandy implement? 

A. Load balancing 

B. Caching engine 

C. Traffic shaping 

D. Quality of service 

Answer: C