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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. A DoS attack that subverts the normal "three way handshake" of TCP/IP by sending SYN packets - but no corresponding ACK packets
honeypot
SYN flood
behavior based
website spoofing
2. Firewall with two NICs - one internal and one external facing - NAT is often used with this firewall
dual homed
active
cat5
port
3. Most common DMZ implementation using three firewall interfaces (internet - intranet - DMZ)
session hijacking
blind
coaxial
multiple interface firewall
4. A variation of a smurf attack using UDP
store and forward
VLAN
dual homed
fraggle
5. Twisted pair cable with speed capability of 1Gbps
website spoofing
cat5
subnet
ping flooding
6. Man in the middle attack where the content of an intercepted message is altered before it is sent on
man in the middle and replay
active
hub
firewalls
7. 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
NIDS
router
fiber optic
8. Packet filtering - proxies - stateful inspection
10Base5
NIDS
proxy
firewalls
9. An attack where an attacker captures sensitive information and sends it again later in an attempt to replicate the transaction
0 - 1023
spoofing attacks
packet filter
replay
10. Crashing a computer by sending oversized packets (over 64 bytes) that it doesn't know how to handle
ping of death
DoS attacks
port
replay
11. IDS that relies on the identification of known attack signatures
packet filter
knowledge based
fiber optic
private
12. Two authoritative sources for your domain namespace with differing contents depending on whether the query is internal or external
split horizon DNS
hub
extranet
man in the middle and replay
13. Monitors network traffic to identify possible attacks
IP spoofing
NIDS
land attack
application
14. Attempt to block service or reduce activity by overloading the victim machine with ping requests
packet filter
ping flooding
zone transfer
router
15. Seeks to reduce the probability and/or impact of a specific risk below an acceptable threshold
risk mitigation
NIDS
source - destination - protocol
bastion host
16. Network configuration that permits selected outsiders access internal information systems
HIDS
extranet
IP spoofing
network
17. User / registered ports
zone transfer
bastion host
land attack
1024 - 49 -151
18. Cable used most in networks - maximum speed 1Gbps - maximum length 100 meters - susceptible to tap
twisted pair
switch
DoS attacks
promiscuous
19. Evolved from IDS - monitors network traffic - detects and responds to attack on network
session hijacking
dynamic NAT
firewalls
NIPS
20. A pool of public IP addresses is shared by a collection of private IP addresses
NAT
dynamic NAT
10Base5
router
21. Man in the middle attack where the attacker captures the traffic and sends it to the original recipient without altering the intercepted data
router
tcp/ip hijacking
stateful inspection
passive
22. Session hijacking countermeasure
cat3
ping flooding
replay
encrypt session key
23. Used to pass data from one VLAN to another
protocol
null session
replay
router
24. Type of IP addresses not routed on the internet: 10.x.x.x - 172.16.x.x - 192.168.x.x
honeynet
IP spoofing
private
1024 - 49 -151
25. A person or program masquerades as another by presenting false information to gain an illegitimate advantage
DoS attacks
spoofing
repeater
application gateway
26. Head of a packet contains...
VLAN
allow by default
source - destination - protocol
split horizon DNS
27. Forging an IP address with the address of a trusted host
IP spoofing
cat5
proxy
multiple interface firewall
28. Firewall with several NICs connected to different networks
stateful inspection
fiber optic
multi homed
network
29. An attacker redirects traffic by falsifying the IP address requested by ARP request
ARP poisoning
honeynet
firewalls
teardrop
30. Known as thicknet - 10mbps - limited to 500 meters
10Base5
protocol
NIDS
proxy
31. Multiple network defense components are placed throughout the organizations assets and the network is properly segmented
land attack
NIDS network connections
defense in depth
protocol analyzer
32. Promiscuous NIC to sniff passing traffic - admin NIC to send alerts to centralized management system
PBX (Private Branch Exchange)
NIDS network connections
spoofing attacks
behavior based
33. A logical group of computers connected via a switch/hub that share the same network prefix in their IP address
source - destination - protocol
cat5
multiple interface firewall
subnet
34. Level 1 firewall that looks at the head of a packet - (not content) - operates rapidly - application independent - either allow or deny packets
IP spoofing
land attack
packet filter
cat3
35. An attacker redirects valid request to malicious sites by feeding a DNS server altered records which are retained in its cache
network
multiple interface firewall
man in the middle and replay
DNS spoofing
36. Amplifies the signal of incoming packets before broadcasting them to the network
repeater
cat3
HIDS
NAT
37. A set of rules computers use to communicate with each other across a network
NIDS network connections
fiber optic
risk mitigation
protocol
38. A sniffer mode used to capture traffic addressed to/from another machine on the network
promiscuous
passive
null session
deny by default
39. A packet filtering firewall works at this layer of the OSI model
coaxial
network
49 -152 - 65 -535
land attack
40. Firewall that communicates directly with a perimeter router and the internal network - 2 NICs - screens internal traffic
protocol analyzer
subnet
active
screened host
41. Connects devices together to form a subnet - broadcasts incoming packets to all devices
IP spoofing
hub
false negative
VLAN
42. Malicious activity not reported or detected
man in the middle
DNS spoofing
false negative
defense in depth
43. Level 2 firewall often used to filter web traffic
behavior based
proxy
proxy server
multi homed
44. 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
DoS attacks
broadcast domain
extranet
NIDS network connections
45. IPS response method - terminate process/session - block/reject and redirect network traffic
active
screened host
NIPS
content filter
46. Known as thinnet - 10mbps - limited to 185 meters
ARP poisoning
zone transfer
1024 - 49 -151
10base2
47. Unauthenticated connections - creating the potential for a successful connection as an anonymous user
multi homed
null session
multiple interface firewall
port address translation
48. Creating a illegitimate website with the intention of convincing victims that they are visiting a legitimate site - typically to collect confidential information
smurf
content filter
website spoofing
protocol analyzer
49. Firewall that intercepts and inspects messages before delivering them - placed between trusted and untrusted networks - degrade network traffic - also know as application gateway
0 - 1023
blind
private
proxy
50. 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
proxy server
smurf
NAT
stateful inspection