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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. Bbenign activity reported as malicious
land attack
false positive
NAT
extranet
2. Multiple network defense components are placed throughout the organizations assets and the network is properly segmented
passive
broadcast domain
defense in depth
teardrop
3. IDS response method using logging and notification
promiscuous
passive
HIDS
NIDS network connections
4. Generate random TCP sequence numbers and encrypt traffic countermeasure what attacks
proxy server
twisted pair
man in the middle and replay
defense in depth
5. Malicious activity not reported or detected
static NAT
replay
false negative
stateful inspection
6. Dynamic / private ports
PBX (Private Branch Exchange)
49 -152 - 65 -535
man in the middle
ARP poisoning
7. Unauthenticated connections - creating the potential for a successful connection as an anonymous user
store and forward
firewalls
honeynet
null session
8. 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
packet filter
cat5
firewalls
VLAN
9. Firewall that intercepts and inspects messages before delivering them - placed between trusted and untrusted networks - degrade network traffic - also know as application gateway
ping of death
firewalls
proxy
private
10. 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
stateful inspection
land attack
multiple interface firewall
fiber optic
11. Forging an IP address with the address of a trusted host
smurf
IP spoofing
tcp/ip hijacking
content filter
12. A physical or logical subnetwork that houses systems accessible to a larger untrusted network - usually the Internet - also known as DMZ
cat5
allow by default
screened subnet
session hijacking
13. Cable used most in networks - maximum speed 1Gbps - maximum length 100 meters - susceptible to tap
repeater
twisted pair
promiscuous
man in the middle and replay
14. Attempt to block service or reduce activity by overloading the victim machine with ping requests
ping flooding
10base2
split horizon DNS
null session
15. An attacker redirects traffic by falsifying the IP address requested by ARP request
ping flooding
port address translation
ARP poisoning
IP spoofing
16. A sniffer mode used to capture traffic addressed to/from another machine on the network
IP spoofing
stateful inspection
broadcast domain
promiscuous
17. Unauthenticated Windows session where an attacker can gather list of users - groups - machines - shares - user and host SID
informed
null session
router
session hijacking
18. Network configuration that permits selected outsiders access internal information systems
NIDS
blind
extranet
website spoofing
19. Used to pass data from one VLAN to another
ping of death
firewall architectures
stateful inspection
router
20. Firewall with several NICs connected to different networks
screened host
ARP poisoning
0 - 1023
multi homed
21. One process on every system - use local system resources - detect attacks that NIDS misses - examine data after decrypted - can be OS specific - more expensive
HIDS
land attack
risk mitigation
static NAT
22. Head of a packet contains...
IP spoofing
knowledge based
source - destination - protocol
teardrop
23. A locked down/hardened host on the public side of the firewall highly exposed to attacks (i.e. web server - email server)
fiber optic
teardrop
bastion host
firewalls
24. Packet filtering - proxies - stateful inspection
firewalls
dynamic NAT
DNS spoofing
layered
25. Used by ISPs - single public network IP address is shared among many hosts on a private network - also known as PAT
PBX (Private Branch Exchange)
honeypot
port address translation
IP spoofing
26. 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
teardrop
proxy
switch
encrypt session key
27. Acts as an organizations internal phone system
NIDS
active
PBX (Private Branch Exchange)
source - destination - protocol
28. Collection on honeypots
honeynet
dual homed
screened host
firewalls
29. Connects devices together to form a subnet - packet forwarding is based on MAC addresses - works at the data link layer of the OSI
false positive
switch
PBX (Private Branch Exchange)
encrypt session key
30. When a hacker takes over a TCP session between two machines - also known as session hijacking - foiled by the use of encrypted sessions
49 -152 - 65 -535
proxy
tcp/ip hijacking
knowledge based
31. One device per network segment - does not use local system resources - can't examine encrypted traffic - OS independent - less expensive
NIDS
IP spoofing
coaxial
HIDS
32. 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
subnet
proxy
spoofing
store and forward
33. Man in the middle attack where the attacker captures the traffic and sends it to the original recipient without altering the intercepted data
passive
promiscuous
risk mitigation
IP spoofing
34. Firewall with two NICs - one internal and one external facing - NAT is often used with this firewall
router
zone transfer
dual homed
ping of death
35. A DoS attack that subverts the normal "three way handshake" of TCP/IP by sending SYN packets - but no corresponding ACK packets
private
active
SYN flood
IP spoofing
36. Twisted pair cable with speed capability of 1Gbps
cat5
subnet
stateful inspection
coaxial
37. Packets with a forged source IP address - purpose to conceal the identity of the sender or impersonate another computing system
network
IP spoofing
website spoofing
SYN flood
38. Two authoritative sources for your domain namespace with differing contents depending on whether the query is internal or external
honeynet
split horizon DNS
man in the middle and replay
screened subnet
39. Capture and analyze network traffic - also known as packet analyzer - sniffer - network analyzer
protocol analyzer
spoofing
behavior based
IP spoofing
40. Connects devices together to form a subnet - broadcasts incoming packets to all devices
proxy
hub
NIDS
private
41. Man in the middle attack where the content of an intercepted message is altered before it is sent on
screened subnet
fraggle
active
SYN flood
42. Promiscuous NIC to sniff passing traffic - admin NIC to send alerts to centralized management system
proxy server
active
VLAN
NIDS network connections
43. A pool of public IP addresses is shared by a collection of private IP addresses
teardrop
broadcast domain
allow by default
dynamic NAT
44. Variation of the SYN flood where SYN packets are spoofed to have the same source and destination IP address and port
ping flooding
behavior based
teardrop
land attack
45. An application layer gateway works at this layer of the OSI model
application
honeynet
encrypt session key
private
46. Examines a entire packet and determines action based on a complex set of rules
fiber optic
IP spoofing
application gateway
stateful inspection
47. 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
proxy server
risk mitigation
teardrop
session hijacking
48. 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
honeynet
broadcast domain
DMZ
protocol analyzer
49. Type of IP addresses not routed on the internet: 10.x.x.x - 172.16.x.x - 192.168.x.x
port address translation
private
false negative
honeynet
50. A decoy system - intentionally left exposed to attract/distract attackers - logs and monitors attacker activities
NIDS
content filter
10base2
honeypot