CompTIA JK0-023 real exam prep : CompTIA Network+ certification

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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. Which of the following network appliances will only detect and not prevent malicious network activity?

A) Firewall
B) Network sniffer
C) IDS
D) IPS

2. Which of the following devices exist as either hardware or software to assist in routing traffic? (Select TWO).

A) Router
B) Layer 3 switch
C) NIDS
D) Cable modem
E) Layer 2 switch

3. An attacker has connected to an unused VoIP phone port to gain unauthorized access to a network. This is an example of which of the following attacks?

A) Bluesnarfing
B) Spear phishing
C) VLAN hopping
D) Smurf attack

4. DNS lookups for a given host are intermittently failing. Which of the following would Kim, a technician, MOST likely use to verify this problem?

A) dig
B) arp
C) traceroute
D) nbtstat

5. At which of the following layers of the OSI model do packets exist?

A) Transport
B) Data Link
C) Session
D) Network

Solutions: