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2021 Nov JK0-019 practice exam
Q231. When the DHCP server is unavailable for a network, how will PCs attempt to configure their NICs?
A. PCs will attempt to use the last address assigned to them.
B. PCs will pull from a static address pool.
C. PCs will use APIPA.
D. PCs will prompt the user for an address.
Answer: C
Q232. When ordering aT1 line, the network technician tells the telecommunications company that a particular device is not needed since it is built-in to the router's T1 port. Which of the following devices is the technician referring to?
A. CSU/DSU
B. ATM
C. TDR
D. DWDM
Answer: A
Q233. Which of the following commands would allow a computer to acquire an IP address?
A. ipconfig/release
B. ipconfig/renew
C. ipconfig/all
D. ipconfig/help
Answer: B
Q234. Karen, a network technician, wants to use a packet analyzer to troubleshoot a reported problem with a user's workstation with IP address 192.168.1.45. To identity the workstation's packets Karen wants to use the workstation's MAC address. Which of the following protocols would provide the needed information?
A. DHCP
B. ARP
C. DNS
D. PING
Answer: B
Q235. Which of the following ports would Kurt, a technician, need to open on a firewall to allow SSH on the default port?
A. 20
B. 21
C. 22
D. 23
Answer: C
Down to date JK0-019 actual test:
Q236. Which of the following layers of the OSI model would a NIC operate on?
A. Physical
B. Network
C. Session
D. Transport
Answer: A
Q237. Which of the following analyzes the entire subnet to identify all hosts that are active?
A. Ping sweep
B. Packet sniffer
C. Traceroute
D. Port scanner
Answer: A
Q238. An administrator needs to terminate network cables that have just been installed in the main communications closet. Which of the following tools is required?
A. Multimeter
B. Snips
C. Toner probe
D. Punch down tool
Answer: D
Q239. Karen, a network administrator, needs to add an additional connection to a room. She adds a new Ethernet switch and must connect it to an existing switch. Which cable type should Karen use to connect the two switches?
A. CAT3 cable
B. Serial cable
C. Crossover cable
D. Rollover cable
Answer: C
Q240. Which of the following is true about an IP address if the first bit is a zero?
A. The address is a Class A address.
B. The address is a Class B address.
C. The address is a Class C address.
D. The address is a Class D address.
Answer: A