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2021 Aug jk0-019 exam:
Q21. Which of the following OSI model layers is used for logical addressing?
A. Physical
B. Transport
C. Network
D. Data link
Answer: C
Q22. Which of the following should be used to ensure that all packets are received by every connected device?
A. Hub
B. Router
C. Switch
D. Firewall
Answer: A
Q23. Which of the following technologies has different upload and download speeds?
A. OC12
B. SDSL
C. OC3
D. ADSL
Answer: D
Q24. Which of the following ports would have to be allowed through a firewall to allow SNMP traffic to pass on its default port? (Select TWO).
A. 22
B. 23
C. 143
D. 161
E. 162
F. 8080
Answer: DE
Q25. When testing a CAT5 cable, the technician notices that pin A is open. However, the cable still works fine. Which of the following describes how this is possible?
A. The cable was tested for 100BaseTX.
B. The cable is a 1000BaseT cable.
C. The switch uses link aggregation,
D. The switch was setup to use MDIX.
Answer: A
Leading difference between n10-005 and jk0-019:
Q26. Sandy, a technician, is fixing a wireless network that was receiving interference from a user’s cordless phone. Which of the following should Sandy configure?
A. Channel
B. Encryption
C. SSID
D. DHCP scope
Answer: A
Q27. Which of the following connector types would Sandy, a network technician, use to connect a serial cable?
A. RJ-11
B. BNC
C. LC
D. DB-9
Answer: D
Q28. Which of the following is an interior routing protocol that is used to provide routing within autonomous systems?
A. ARP
B. IGP
C. BGP
D. EGP
Answer: B
Q29. Joe, a network technician, has configured a server with the following IP settings:
IP Address: 192.168.1.40/27
Default Gateway: 192.168.1.64
DNS: 192.168.1.33
The server cannot access the Internet. Which of the following settings needs to be changed?
A. Default gateway
B. IP address
C. VLAN
D. DNS
Answer: A
Q30. Which of the following features should an administrator configure to allow an IDS to watch the traffic on a switch?
A. ARP spoofing
B. VLAN
C. Mirroring
D. Spanning tree
Answer: C
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