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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. IDS response method using logging and notification
coaxial
application
screened subnet
passive
2. Monitors network traffic to identify possible attacks
NIDS
multiple interface firewall
null session
stateful inspection
3. Used to pass data from one VLAN to another
VLAN
content filter
DMZ
router
4. Amplifies the signal of incoming packets before broadcasting them to the network
encrypt session key
false positive
DNS spoofing
repeater
5. Variation of the SYN flood where SYN packets are spoofed to have the same source and destination IP address and port
encrypt session key
land attack
honeypot
firewalls
6. 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
screened subnet
smurf
honeypot
port address translation
7. Firewall with several NICs connected to different networks
firewalls
multi homed
router
honeynet
8. An attack where an attacker captures sensitive information and sends it again later in an attempt to replicate the transaction
replay
application
false negative
layered
9. Promiscuous NIC to sniff passing traffic - admin NIC to send alerts to centralized management system
NIDS network connections
honeynet
protocol
false negative
10. A locked down/hardened host on the public side of the firewall highly exposed to attacks (i.e. web server - email server)
router
bastion host
NIPS
DMZ
11. A packet filtering firewall works at this layer of the OSI model
IP spoofing
network
firewalls
49 -152 - 65 -535
12. Protocol used to map an known IP address to its corresponding media access control (MAC) address
ARP
promiscuous
port
land attack
13. Evolved from IDS - monitors network traffic - detects and responds to attack on network
VLAN
layered
NIPS
network
14. A firewall that checks all layers of a packet including content - verifying an expected response to a current communication session - also call a deep packet inspection
private
stateful inspection
zone transfer
proxy
15. When a hacker takes over a TCP session between two machines - also known as session hijacking - foiled by the use of encrypted sessions
screened host
stateful inspection
tcp/ip hijacking
content filter
16. Session hijacking countermeasure
encrypt session key
null session
cat5
blind
17. A logical group of computers connected via a switch/hub that share the same network prefix in their IP address
protocol
HIDS
protocol analyzer
subnet
18. A pool of public IP addresses is shared by a collection of private IP addresses
dynamic NAT
repeater
informed
spoofing attacks
19. Level 1 firewall that looks at the head of a packet - (not content) - operates rapidly - application independent - either allow or deny packets
broadcast domain
replay
zone transfer
packet filter
20. 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
false negative
1024 - 49 -151
store and forward
deny by default
21. Connects two or more subnets - determines the best path to forward packets based on packet header and forwarding table information
router
stateful inspection
active
broadcast domain
22. One device per network segment - does not use local system resources - can't examine encrypted traffic - OS independent - less expensive
tcp/ip hijacking
active
VLAN
NIDS
23. Crashing a computer by sending oversized packets (over 64 bytes) that it doesn't know how to handle
blind
ping of death
static NAT
NIDS
24. Attack where an attacker intercepts traffic and tricks parties at either end into believing they are communicating with each other
risk mitigation
passive
dynamic NAT
man in the middle
25. Creating a illegitimate website with the intention of convincing victims that they are visiting a legitimate site - typically to collect confidential information
ARP
twisted pair
website spoofing
0 - 1023
26. Connects devices together to form a subnet - packet forwarding is based on MAC addresses - works at the data link layer of the OSI
protocol analyzer
switch
passive
honeypot
27. A set of rules computers use to communicate with each other across a network
NIPS
screened subnet
protocol
application
28. Multiple network defense components are placed throughout the organizations assets and the network is properly segmented
man in the middle
fraggle
hub
defense in depth
29. An attacker redirects valid request to malicious sites by feeding a DNS server altered records which are retained in its cache
proxy server
ping flooding
false positive
DNS spoofing
30. 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
10Base5
behavior based
teardrop
IP spoofing
31. Collection on honeypots
honeynet
SYN flood
router
layered
32. Web servers - FTP servers - DNS servers - mail servers should be located on the _____________
application
DMZ
blind
1024 - 49 -151
33. 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
0 - 1023
proxy server
port
broadcast domain
34. A DoS attack that subverts the normal "three way handshake" of TCP/IP by sending SYN packets - but no corresponding ACK packets
SYN flood
hub
passive
promiscuous
35. User / registered ports
0 - 1023
port address translation
session hijacking
1024 - 49 -151
36. Malicious activity not reported or detected
false negative
subnet
49 -152 - 65 -535
fiber optic
37. Used by ISPs - single public network IP address is shared among many hosts on a private network - also known as PAT
port address translation
IP spoofing
application
proxy server
38. A logical connection point allowing computers and software to communicate and exchange data
allow by default
NIDS network connections
extranet
port
39. A flaw in TCP/IP to verify that a packet really comes from the addess indicated in the IP header leads to this attack
IP spoofing
router
passive
application gateway
40. A physical or logical subnetwork that houses systems accessible to a larger untrusted network - usually the Internet - also known as DMZ
screened subnet
knowledge based
network
proxy
41. IDS that relies on the identification of known attack signatures
twisted pair
risk mitigation
knowledge based
DMZ
42. A feature of firewalls / routers that disguise the IP address of internal systems allowing connection to the Internet using one public address
application gateway
NAT
false positive
ping flooding
43. A server that sits between an intranet and it's Internet connection - masking all IP addresses
broadcast domain
proxy server
switch
49 -152 - 65 -535
44. Capture and analyze network traffic - also known as packet analyzer - sniffer - network analyzer
protocol analyzer
port
coaxial
active
45. Most common DMZ implementation using three firewall interfaces (internet - intranet - DMZ)
10base2
bastion host
content filter
multiple interface firewall
46. Unauthenticated connections - creating the potential for a successful connection as an anonymous user
null session
land attack
man in the middle
ping flooding
47. Malicious insiders - connections that bypass the firewall (i.e. IM) - encrypted traffic/tunneling - social engineering - physical access are missed by ___________
cat3
spoofing attacks
switch
firewalls
48. A person or program masquerades as another by presenting false information to gain an illegitimate advantage
land attack
active
VLAN
spoofing
49. Firewall with two NICs - one internal and one external facing - NAT is often used with this firewall
null session
honeynet
dual homed
packet filter
50. Man in the middle attack where the attacker captures the traffic and sends it to the original recipient without altering the intercepted data
passive
stateful inspection
screened subnet
subnet