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Test your basic knowledge |
Comptia Security +: Network Security
Start Test
Study First
Subjects
:
certifications
,
comptia-security-+
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Attack where an attacker intercepts traffic and tricks parties at either end into believing they are communicating with each other
source - destination - protocol
man in the middle
extranet
teardrop
2. Level 2 firewall often used to filter web traffic
HIDS
10Base5
0 - 1023
proxy
3. Firewall that communicates directly with a perimeter router and the internal network - 2 NICs - screens internal traffic
promiscuous
tcp/ip hijacking
coaxial
screened host
4. Web servers - FTP servers - DNS servers - mail servers should be located on the _____________
HIDS
DNS spoofing
DMZ
website spoofing
5. Forging an IP address with the address of a trusted host
port address translation
HIDS
IP spoofing
knowledge based
6. When a hacker takes over a TCP session between two machines - also known as session hijacking - foiled by the use of encrypted sessions
PBX (Private Branch Exchange)
tcp/ip hijacking
honeypot
null session
7. IDS that relies on the identification of known attack signatures
switch
knowledge based
firewalls
IP spoofing
8. Protocol used to map an known IP address to its corresponding media access control (MAC) address
stateful inspection
ARP
store and forward
active
9. An attack where fragmented UDP packets with odd offset values are sent to the victim - when the OS attempts to rebuild the fragments they overwrite each other and cause confusion
proxy
teardrop
website spoofing
screened subnet
10. Allows all traffic except traffic that is specifically denied - also known as permissive access
bastion host
NIPS
allow by default
protocol analyzer
11. Known as thinnet - 10mbps - limited to 185 meters
allow by default
null session
10base2
HIDS
12. IP - email - website - DNS - and ARP
1024 - 49 -151
NAT
spoofing attacks
HIDS
13. IP spoofing attack where the attacker can only send packets and has to guess about replies
twisted pair
multiple interface firewall
DoS attacks
blind
14. Man in the middle attack where the content of an intercepted message is altered before it is sent on
null session
active
knowledge based
fiber optic
15. A variation of a smurf attack using UDP
router
active
port address translation
fraggle
16. One device per network segment - does not use local system resources - can't examine encrypted traffic - OS independent - less expensive
NAT
NIDS
stateful inspection
port
17. Used by ISPs - single public network IP address is shared among many hosts on a private network - also known as PAT
IP spoofing
PBX (Private Branch Exchange)
NAT
port address translation
18. User / registered ports
1024 - 49 -151
dual homed
proxy server
source - destination - protocol
19. Monitors network traffic to identify possible attacks
man in the middle
NIDS
DoS attacks
firewalls
20. Bbenign activity reported as malicious
screened subnet
split horizon DNS
honeynet
false positive
21. Seeks to reduce the probability and/or impact of a specific risk below an acceptable threshold
ARP poisoning
proxy
risk mitigation
broadcast domain
22. Network configuration that permits selected outsiders access internal information systems
ARP
multiple interface firewall
multi homed
extranet
23. Packet filtering - proxies - stateful inspection
ARP
spoofing attacks
firewalls
man in the middle
24. Creating a illegitimate website with the intention of convincing victims that they are visiting a legitimate site - typically to collect confidential information
website spoofing
proxy
spoofing attacks
null session
25. Multiple network defense components are placed throughout the organizations assets and the network is properly segmented
blind
multi homed
defense in depth
SYN flood
26. Session hijacking countermeasure
store and forward
router
encrypt session key
extranet
27. Unauthenticated connections - creating the potential for a successful connection as an anonymous user
DoS attacks
null session
dual homed
blind
28. Acts as an organizations internal phone system
cat3
protocol
PBX (Private Branch Exchange)
hub
29. Head of a packet contains...
private
multiple interface firewall
port address translation
source - destination - protocol
30. Man in the middle attack where the attacker captures the traffic and sends it to the original recipient without altering the intercepted data
passive
ping of death
promiscuous
HIDS
31. A sniffer mode used to capture traffic addressed to/from another machine on the network
ping of death
promiscuous
split horizon DNS
active
32. A complete transfer of all DNS zone information from one server to another
content filter
allow by default
zone transfer
cat5
33. Bastion host - dual homed firewall - multi homed firewall - screened host - screened subnet
source - destination - protocol
firewall architectures
cat3
active
34. Collection on honeypots
honeynet
ARP
bastion host
teardrop
35. A level 3 firewall that remembers / tracks network connections - maintains a state table - distinguish which side of a firewall a connection was initiated - higher security
stateful inspection
SYN flood
encrypt session key
man in the middle
36. A set of rules computers use to communicate with each other across a network
false positive
protocol
fiber optic
switch
37. A ping message is broadcast to an entire network with a spoofed source IP addess of the victim computer - flooding the victim computer with responses during this attack
smurf
layered
split horizon DNS
49 -152 - 65 -535
38. IDS response method using logging and notification
PBX (Private Branch Exchange)
broadcast domain
NIDS
passive
39. Malicious activity not reported or detected
null session
spoofing attacks
0 - 1023
false negative
40. Used to pass data from one VLAN to another
encrypt session key
port address translation
DoS attacks
router
41. Connects devices together to form a subnet - broadcasts incoming packets to all devices
null session
smurf
extranet
hub
42. Twisted pair cable with speed capability of 10Mbps
honeynet
screened subnet
application gateway
cat3
43. Examines a entire packet and determines action based on a complex set of rules
application gateway
defense in depth
ping of death
NIDS
44. Firewall with several NICs connected to different networks
bastion host
twisted pair
10Base5
multi homed
45. Blocks all traffic from passing through the firewall except for traffic that is explicitly allowed - also known as restrictive access - best practice
10Base5
deny by default
honeypot
IP spoofing
46. Type of IP addresses not routed on the internet: 10.x.x.x - 172.16.x.x - 192.168.x.x
NIPS
content filter
store and forward
private
47. A logical division of a computer network - in which all nodes can reach each other by broadcast at the data link layer - equivalent to a VLAN
router
knowledge based
SYN flood
broadcast domain
48. DMZ implementation using two firewalls with different rule sets for the DMZ and intranet
layered
router
application
man in the middle and replay
49. Malicious insiders - connections that bypass the firewall (i.e. IM) - encrypted traffic/tunneling - social engineering - physical access are missed by ___________
firewalls
repeater
smurf
NAT
50. One process on every system - use local system resources - detect attacks that NIDS misses - examine data after decrypted - can be OS specific - more expensive
twisted pair
HIDS
proxy
10Base5