SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. A logical connection point allowing computers and software to communicate and exchange data
port
stateful inspection
blind
promiscuous
2. Unauthenticated Windows session where an attacker can gather list of users - groups - machines - shares - user and host SID
subnet
cat5
null session
website spoofing
3. Web servers - FTP servers - DNS servers - mail servers should be located on the _____________
DMZ
cat5
bastion host
stateful inspection
4. Seeks to reduce the probability and/or impact of a specific risk below an acceptable threshold
honeynet
DMZ
NIDS network connections
risk mitigation
5. Creating a illegitimate website with the intention of convincing victims that they are visiting a legitimate site - typically to collect confidential information
protocol analyzer
ping of death
subnet
website spoofing
6. One device per network segment - does not use local system resources - can't examine encrypted traffic - OS independent - less expensive
risk mitigation
49 -152 - 65 -535
NIDS
port
7. Firewall that intercepts and inspects messages before delivering them - placed between trusted and untrusted networks - degrade network traffic - also know as application gateway
layered
0 - 1023
static NAT
proxy
8. Examines a entire packet and determines action based on a complex set of rules
content filter
application gateway
DoS attacks
stateful inspection
9. Attack where an attacker intercepts traffic and tricks parties at either end into believing they are communicating with each other
website spoofing
passive
man in the middle
switch
10. A complete transfer of all DNS zone information from one server to another
zone transfer
null session
teardrop
passive
11. A logical group of computers connected via a switch/hub that share the same network prefix in their IP address
subnet
firewalls
protocol
man in the middle
12. A group of hosts on logical network segment that communicate as if they were attached to the same broadcast domain - regardless of their physical location
NIDS
packet filter
VLAN
subnet
13. A flaw in TCP/IP to verify that a packet really comes from the addess indicated in the IP header leads to this attack
cat5
smurf
IP spoofing
NAT
14. Known as thinnet - 10mbps - limited to 185 meters
man in the middle
49 -152 - 65 -535
broadcast domain
10base2
15. Packets with a forged source IP address - purpose to conceal the identity of the sender or impersonate another computing system
active
firewalls
source - destination - protocol
IP spoofing
16. Session hijacking countermeasure
encrypt session key
false positive
IP spoofing
HIDS
17. 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
spoofing
private
stateful inspection
port address translation
18. Firewall with two NICs - one internal and one external facing - NAT is often used with this firewall
0 - 1023
firewalls
dual homed
application gateway
19. Generate random TCP sequence numbers and encrypt traffic countermeasure what attacks
packet filter
IP spoofing
man in the middle and replay
screened host
20. An attacker redirects valid request to malicious sites by feeding a DNS server altered records which are retained in its cache
null session
DNS spoofing
website spoofing
10Base5
21. Variation of the SYN flood where SYN packets are spoofed to have the same source and destination IP address and port
DoS attacks
layered
tcp/ip hijacking
land attack
22. A server that sits between an intranet and it's Internet connection - masking all IP addresses
ARP poisoning
proxy server
dual homed
store and forward
23. Firewall with several NICs connected to different networks
ping flooding
man in the middle and replay
dynamic NAT
multi homed
24. Bastion host - dual homed firewall - multi homed firewall - screened host - screened subnet
proxy
defense in depth
protocol analyzer
firewall architectures
25. Capture and analyze network traffic - also known as packet analyzer - sniffer - network analyzer
protocol analyzer
cat3
proxy server
screened host
26. Crashing a computer by sending oversized packets (over 64 bytes) that it doesn't know how to handle
broadcast domain
null session
blind
ping of death
27. Connects devices together to form a subnet - broadcasts incoming packets to all devices
land attack
hub
store and forward
null session
28. Blocks all traffic from passing through the firewall except for traffic that is explicitly allowed - also known as restrictive access - best practice
layered
deny by default
DNS spoofing
dynamic NAT
29. Examines content passing through and makes a decision on the data based on a set of criteria - normal uses email filtering and web browsing
content filter
stateful inspection
null session
NIDS
30. Amplifies the signal of incoming packets before broadcasting them to the network
spoofing attacks
repeater
cat3
website spoofing
31. Well known ports - allow administrative access - used for network services - considered only ports allowed to transmit traffic thru a firewall
ARP
port
0 - 1023
encrypt session key
32. 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
router
smurf
null session
bastion host
33. 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
DoS attacks
honeypot
false positive
teardrop
34. A sniffer mode used to capture traffic addressed to/from another machine on the network
NIPS
promiscuous
dual homed
packet filter
35. Twisted pair cable with speed capability of 1Gbps
cat5
multi homed
man in the middle
ping of death
36. Cable used most in networks - maximum speed 1Gbps - maximum length 100 meters - susceptible to tap
cat3
twisted pair
false positive
knowledge based
37. Known as thicknet - 10mbps - limited to 500 meters
packet filter
false positive
10Base5
content filter
38. Acts as an organizations internal phone system
PBX (Private Branch Exchange)
private
router
NAT
39. Malicious insiders - connections that bypass the firewall (i.e. IM) - encrypted traffic/tunneling - social engineering - physical access are missed by ___________
DMZ
0 - 1023
firewalls
port
40. 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
10Base5
broadcast domain
spoofing
encrypt session key
41. IDS that relies on usage patterns and baseline operation - can ID new vulnerability - high rate of false alarms
spoofing
passive
PBX (Private Branch Exchange)
behavior based
42. A physical or logical subnetwork that houses systems accessible to a larger untrusted network - usually the Internet - also known as DMZ
broadcast domain
website spoofing
screened subnet
NIDS
43. Cable with copper core - has no physical transmission security and is easy to tap - 10mbps - maximum length 500 meters
coaxial
replay
broadcast domain
port
44. Evolved from IDS - monitors network traffic - detects and responds to attack on network
false positive
NIPS
encrypt session key
source - destination - protocol
45. Protocol used to map an known IP address to its corresponding media access control (MAC) address
false negative
ARP
cat3
PBX (Private Branch Exchange)
46. A method - used by switches and email servers - of delivering messages which are temporarily held by an intermediary before being sent to their final destination
repeater
store and forward
NIDS
false negative
47. An attack where an attacker captures sensitive information and sends it again later in an attempt to replicate the transaction
NIDS
replay
dual homed
NIDS
48. IP spoofing attack where the attacker can only send packets and has to guess about replies
VLAN
multi homed
10Base5
blind
49. Firewall that communicates directly with a perimeter router and the internal network - 2 NICs - screens internal traffic
screened host
active
deny by default
website spoofing
50. Head of a packet contains...
firewalls
source - destination - protocol
screened subnet
dynamic NAT