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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
risk mitigation
honeynet
proxy
firewall architectures
2. Used by ISPs - single public network IP address is shared among many hosts on a private network - also known as PAT
1024 - 49 -151
port address translation
store and forward
multiple interface firewall
3. IDS response method using logging and notification
passive
DNS spoofing
replay
10Base5
4. Two authoritative sources for your domain namespace with differing contents depending on whether the query is internal or external
split horizon DNS
false negative
firewalls
man in the middle
5. Head of a packet contains...
bastion host
session hijacking
source - destination - protocol
layered
6. When a hacker takes over a TCP session between two machines - also known as session hijacking - foiled by the use of encrypted sessions
ARP poisoning
tcp/ip hijacking
NIPS
NAT
7. Bbenign activity reported as malicious
10base2
HIDS
extranet
false positive
8. Crashing a computer by sending oversized packets (over 64 bytes) that it doesn't know how to handle
ping of death
tcp/ip hijacking
cat5
DoS attacks
9. Malicious insiders - connections that bypass the firewall (i.e. IM) - encrypted traffic/tunneling - social engineering - physical access are missed by ___________
firewalls
source - destination - protocol
1024 - 49 -151
private
10. Known as thinnet - 10mbps - limited to 185 meters
behavior based
firewalls
10base2
passive
11. One process on every system - use local system resources - detect attacks that NIDS misses - examine data after decrypted - can be OS specific - more expensive
null session
cat3
HIDS
IP spoofing
12. A pool of public IP addresses is shared by a collection of private IP addresses
NIDS network connections
dynamic NAT
promiscuous
HIDS
13. Connects devices together to form a subnet - broadcasts incoming packets to all devices
hub
man in the middle and replay
1024 - 49 -151
teardrop
14. Level 1 firewall that looks at the head of a packet - (not content) - operates rapidly - application independent - either allow or deny packets
packet filter
49 -152 - 65 -535
split horizon DNS
teardrop
15. A logical connection point allowing computers and software to communicate and exchange data
broadcast domain
port
man in the middle
IP spoofing
16. Web servers - FTP servers - DNS servers - mail servers should be located on the _____________
subnet
10Base5
repeater
DMZ
17. IPS response method - terminate process/session - block/reject and redirect network traffic
allow by default
active
split horizon DNS
fraggle
18. One private IP address is mapped to one public IP address
defense in depth
SYN flood
knowledge based
static NAT
19. Man in the middle attack where the content of an intercepted message is altered before it is sent on
bastion host
man in the middle
active
router
20. Allows all traffic except traffic that is specifically denied - also known as permissive access
allow by default
stateful inspection
spoofing attacks
NIPS
21. Packet filtering - proxies - stateful inspection
knowledge based
firewalls
proxy
NAT
22. Cable designed for transmission at higher speeds (100Mbps - 2Gbps) and longer distances (2km) - expensive -eliminates signal tapping
fiber optic
ping flooding
zone transfer
VLAN
23. Connects devices together to form a subnet - packet forwarding is based on MAC addresses - works at the data link layer of the OSI
switch
proxy
NIDS
zone transfer
24. A server that sits between an intranet and it's Internet connection - masking all IP addresses
IP spoofing
repeater
proxy server
0 - 1023
25. Cable with copper core - has no physical transmission security and is easy to tap - 10mbps - maximum length 500 meters
coaxial
website spoofing
DNS spoofing
null session
26. 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
active
10Base5
session hijacking
port address translation
27. An attacker redirects valid request to malicious sites by feeding a DNS server altered records which are retained in its cache
application
honeypot
blind
DNS spoofing
28. Unauthenticated connections - creating the potential for a successful connection as an anonymous user
static NAT
coaxial
null session
honeypot
29. 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
DMZ
stateful inspection
extranet
bastion host
30. Twisted pair cable with speed capability of 1Gbps
blind
subnet
passive
cat5
31. A person or program masquerades as another by presenting false information to gain an illegitimate advantage
firewall architectures
spoofing
promiscuous
port
32. Unauthenticated Windows session where an attacker can gather list of users - groups - machines - shares - user and host SID
knowledge based
null session
split horizon DNS
ARP
33. An attacker redirects traffic by falsifying the IP address requested by ARP request
NIDS
honeypot
ARP poisoning
DoS attacks
34. A packet filtering firewall works at this layer of the OSI model
network
IP spoofing
IP spoofing
active
35. A flaw in TCP/IP to verify that a packet really comes from the addess indicated in the IP header leads to this attack
defense in depth
IP spoofing
proxy server
man in the middle
36. Creating a illegitimate website with the intention of convincing victims that they are visiting a legitimate site - typically to collect confidential information
DoS attacks
NIPS
session hijacking
website spoofing
37. A variation of a smurf attack using UDP
honeynet
split horizon DNS
fraggle
ARP poisoning
38. Cable used most in networks - maximum speed 1Gbps - maximum length 100 meters - susceptible to tap
PBX (Private Branch Exchange)
ARP
twisted pair
application gateway
39. Type of IP addresses not routed on the internet: 10.x.x.x - 172.16.x.x - 192.168.x.x
man in the middle
private
bastion host
zone transfer
40. A sniffer mode used to capture traffic addressed to/from another machine on the network
promiscuous
NAT
risk mitigation
firewalls
41. IP spoofing attack where the attacker can monitor packets and participate in bidirectional communication
store and forward
source - destination - protocol
NAT
informed
42. Acts as an organizations internal phone system
switch
application gateway
PBX (Private Branch Exchange)
NAT
43. 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
NIPS
broadcast domain
protocol analyzer
screened host
44. A physical or logical subnetwork that houses systems accessible to a larger untrusted network - usually the Internet - also known as DMZ
screened subnet
stateful inspection
encrypt session key
extranet
45. Variation of the SYN flood where SYN packets are spoofed to have the same source and destination IP address and port
spoofing attacks
passive
land attack
port address translation
46. Twisted pair cable with speed capability of 10Mbps
stateful inspection
ping flooding
cat3
honeypot
47. User / registered ports
allow by default
1024 - 49 -151
DNS spoofing
promiscuous
48. Connects two or more subnets - determines the best path to forward packets based on packet header and forwarding table information
false negative
packet filter
router
multi homed
49. Known as thicknet - 10mbps - limited to 500 meters
10Base5
man in the middle and replay
informed
proxy
50. Firewall with several NICs connected to different networks
risk mitigation
blind
active
multi homed