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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. Bastion host - dual homed firewall - multi homed firewall - screened host - screened subnet
router
firewall architectures
stateful inspection
man in the middle
2. 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
defense in depth
false positive
store and forward
replay
3. Ping flooding - ping of death - smurf - fraggle - SYN flood - land - teardrop - email flood
screened host
DoS attacks
NIDS
packet filter
4. Creating a illegitimate website with the intention of convincing victims that they are visiting a legitimate site - typically to collect confidential information
risk mitigation
cat5
website spoofing
firewalls
5. Malicious insiders - connections that bypass the firewall (i.e. IM) - encrypted traffic/tunneling - social engineering - physical access are missed by ___________
firewalls
website spoofing
spoofing
promiscuous
6. A pool of public IP addresses is shared by a collection of private IP addresses
private
dynamic NAT
ARP poisoning
store and forward
7. Packets with a forged source IP address - purpose to conceal the identity of the sender or impersonate another computing system
IP spoofing
ping of death
proxy
risk mitigation
8. Dynamic / private ports
static NAT
49 -152 - 65 -535
active
PBX (Private Branch Exchange)
9. A DoS attack that subverts the normal "three way handshake" of TCP/IP by sending SYN packets - but no corresponding ACK packets
IP spoofing
SYN flood
proxy server
stateful inspection
10. Known as thicknet - 10mbps - limited to 500 meters
10Base5
tcp/ip hijacking
knowledge based
packet filter
11. Promiscuous NIC to sniff passing traffic - admin NIC to send alerts to centralized management system
NIDS network connections
screened host
0 - 1023
switch
12. A flaw in TCP/IP to verify that a packet really comes from the addess indicated in the IP header leads to this attack
blind
IP spoofing
screened subnet
NIDS network connections
13. A physical or logical subnetwork that houses systems accessible to a larger untrusted network - usually the Internet - also known as DMZ
honeynet
screened subnet
NIDS
10Base5
14. Level 2 firewall often used to filter web traffic
application
smurf
firewall architectures
proxy
15. A logical group of computers connected via a switch/hub that share the same network prefix in their IP address
passive
fiber optic
subnet
packet filter
16. DMZ implementation using two firewalls with different rule sets for the DMZ and intranet
port
ping flooding
layered
twisted pair
17. A logical connection point allowing computers and software to communicate and exchange data
land attack
ping of death
HIDS
port
18. A packet filtering firewall works at this layer of the OSI model
ping of death
network
land attack
screened host
19. Most common DMZ implementation using three firewall interfaces (internet - intranet - DMZ)
multiple interface firewall
honeynet
broadcast domain
repeater
20. A complete transfer of all DNS zone information from one server to another
deny by default
active
hub
zone transfer
21. Connects two or more subnets - determines the best path to forward packets based on packet header and forwarding table information
store and forward
hub
spoofing attacks
router
22. Capture and analyze network traffic - also known as packet analyzer - sniffer - network analyzer
multi homed
encrypt session key
protocol analyzer
ARP
23. Session hijacking countermeasure
smurf
encrypt session key
store and forward
deny by default
24. A server that sits between an intranet and it's Internet connection - masking all IP addresses
PBX (Private Branch Exchange)
zone transfer
ARP poisoning
proxy server
25. When a hacker takes over a TCP session between two machines - also known as session hijacking - foiled by the use of encrypted sessions
tcp/ip hijacking
firewalls
passive
DNS spoofing
26. One private IP address is mapped to one public IP address
static NAT
ping flooding
PBX (Private Branch Exchange)
blind
27. Network configuration that permits selected outsiders access internal information systems
application gateway
extranet
behavior based
man in the middle
28. Cable designed for transmission at higher speeds (100Mbps - 2Gbps) and longer distances (2km) - expensive -eliminates signal tapping
firewalls
fiber optic
informed
subnet
29. A person or program masquerades as another by presenting false information to gain an illegitimate advantage
land attack
NIPS
DNS spoofing
spoofing
30. Examines a entire packet and determines action based on a complex set of rules
VLAN
application gateway
router
static NAT
31. Connects devices together to form a subnet - broadcasts incoming packets to all devices
man in the middle and replay
informed
port address translation
hub
32. Head of a packet contains...
source - destination - protocol
NAT
session hijacking
broadcast domain
33. 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
twisted pair
screened host
content filter
stateful inspection
34. User / registered ports
fraggle
1024 - 49 -151
session hijacking
store and forward
35. Bbenign activity reported as malicious
protocol analyzer
active
false positive
store and forward
36. Cable with copper core - has no physical transmission security and is easy to tap - 10mbps - maximum length 500 meters
10Base5
NIDS network connections
application
coaxial
37. IDS that relies on usage patterns and baseline operation - can ID new vulnerability - high rate of false alarms
behavior based
proxy
null session
switch
38. IDS that relies on the identification of known attack signatures
replay
knowledge based
proxy
DNS spoofing
39. Unauthenticated connections - creating the potential for a successful connection as an anonymous user
null session
land attack
IP spoofing
switch
40. Acts as an organizations internal phone system
zone transfer
PBX (Private Branch Exchange)
protocol
false positive
41. Examines content passing through and makes a decision on the data based on a set of criteria - normal uses email filtering and web browsing
passive
content filter
10Base5
DNS spoofing
42. Take control of a session between a server and client - the users gets kicked off the session while the attacker inserts himself into the session by sending a reset request to the client
honeypot
proxy
broadcast domain
session hijacking
43. IP - email - website - DNS - and ARP
repeater
switch
hub
spoofing attacks
44. A locked down/hardened host on the public side of the firewall highly exposed to attacks (i.e. web server - email server)
fiber optic
bastion host
screened subnet
hub
45. Evolved from IDS - monitors network traffic - detects and responds to attack on network
encrypt session key
fiber optic
NIPS
application gateway
46. Connects devices together to form a subnet - packet forwarding is based on MAC addresses - works at the data link layer of the OSI
behavior based
switch
NIDS
packet filter
47. 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
firewall architectures
repeater
teardrop
fraggle
48. Used by ISPs - single public network IP address is shared among many hosts on a private network - also known as PAT
spoofing
spoofing attacks
multiple interface firewall
port address translation
49. Used to pass data from one VLAN to another
fiber optic
informed
firewall architectures
router
50. Packet filtering - proxies - stateful inspection
informed
firewalls
cat3
passive