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Test your basic knowledge |
Comptia Security +: Network Security
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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. Head of a packet contains...
stateful inspection
spoofing
dynamic NAT
source - destination - protocol
2. Connects devices together to form a subnet - packet forwarding is based on MAC addresses - works at the data link layer of the OSI
port address translation
router
switch
port
3. Man in the middle attack where the content of an intercepted message is altered before it is sent on
bastion host
fraggle
informed
active
4. Promiscuous NIC to sniff passing traffic - admin NIC to send alerts to centralized management system
replay
informed
NIDS network connections
port
5. Evolved from IDS - monitors network traffic - detects and responds to attack on network
NIPS
screened subnet
risk mitigation
man in the middle and replay
6. Used by ISPs - single public network IP address is shared among many hosts on a private network - also known as PAT
HIDS
PBX (Private Branch Exchange)
port address translation
fraggle
7. Dynamic / private ports
spoofing attacks
ping flooding
spoofing
49 -152 - 65 -535
8. Type of IP addresses not routed on the internet: 10.x.x.x - 172.16.x.x - 192.168.x.x
store and forward
spoofing attacks
defense in depth
private
9. Most common DMZ implementation using three firewall interfaces (internet - intranet - DMZ)
multiple interface firewall
ARP
store and forward
bastion host
10. Unauthenticated Windows session where an attacker can gather list of users - groups - machines - shares - user and host SID
smurf
null session
active
false negative
11. Firewall with several NICs connected to different networks
proxy server
zone transfer
multi homed
router
12. A packet filtering firewall works at this layer of the OSI model
network
twisted pair
zone transfer
0 - 1023
13. A DoS attack that subverts the normal "three way handshake" of TCP/IP by sending SYN packets - but no corresponding ACK packets
application gateway
router
protocol analyzer
SYN flood
14. DMZ implementation using two firewalls with different rule sets for the DMZ and intranet
man in the middle and replay
layered
proxy server
hub
15. Web servers - FTP servers - DNS servers - mail servers should be located on the _____________
1024 - 49 -151
active
DMZ
passive
16. Cable with copper core - has no physical transmission security and is easy to tap - 10mbps - maximum length 500 meters
router
coaxial
risk mitigation
teardrop
17. Attack where an attacker intercepts traffic and tricks parties at either end into believing they are communicating with each other
protocol analyzer
application
man in the middle
spoofing
18. 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
repeater
passive
stateful inspection
cat3
19. Firewall with two NICs - one internal and one external facing - NAT is often used with this firewall
twisted pair
dual homed
active
screened subnet
20. Known as thicknet - 10mbps - limited to 500 meters
ARP
10Base5
port address translation
blind
21. IDS that relies on usage patterns and baseline operation - can ID new vulnerability - high rate of false alarms
behavior based
application gateway
passive
port
22. Creating a illegitimate website with the intention of convincing victims that they are visiting a legitimate site - typically to collect confidential information
hub
land attack
ARP
website spoofing
23. 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
DNS spoofing
dynamic NAT
DoS attacks
smurf
24. Twisted pair cable with speed capability of 10Mbps
cat3
proxy
NIDS
ARP
25. Level 2 firewall often used to filter web traffic
proxy
false positive
behavior based
encrypt session key
26. Allows all traffic except traffic that is specifically denied - also known as permissive access
promiscuous
land attack
allow by default
blind
27. Malicious activity not reported or detected
stateful inspection
false negative
DMZ
risk mitigation
28. A pool of public IP addresses is shared by a collection of private IP addresses
deny by default
dynamic NAT
NIDS
honeynet
29. Collection on honeypots
honeynet
zone transfer
session hijacking
SYN flood
30. Attempt to block service or reduce activity by overloading the victim machine with ping requests
IP spoofing
proxy server
risk mitigation
ping flooding
31. A logical connection point allowing computers and software to communicate and exchange data
HIDS
defense in depth
knowledge based
port
32. Two authoritative sources for your domain namespace with differing contents depending on whether the query is internal or external
split horizon DNS
website spoofing
1024 - 49 -151
knowledge based
33. Connects two or more subnets - determines the best path to forward packets based on packet header and forwarding table information
router
spoofing
ARP poisoning
source - destination - protocol
34. Capture and analyze network traffic - also known as packet analyzer - sniffer - network analyzer
HIDS
protocol analyzer
bastion host
coaxial
35. An attack where an attacker captures sensitive information and sends it again later in an attempt to replicate the transaction
IP spoofing
replay
0 - 1023
false negative
36. Known as thinnet - 10mbps - limited to 185 meters
man in the middle
behavior based
10base2
subnet
37. A feature of firewalls / routers that disguise the IP address of internal systems allowing connection to the Internet using one public address
ping flooding
port address translation
informed
NAT
38. 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
multiple interface firewall
man in the middle
allow by default
session hijacking
39. A logical group of computers connected via a switch/hub that share the same network prefix in their IP address
replay
subnet
port
cat3
40. Variation of the SYN flood where SYN packets are spoofed to have the same source and destination IP address and port
passive
land attack
man in the middle and replay
packet filter
41. A flaw in TCP/IP to verify that a packet really comes from the addess indicated in the IP header leads to this attack
honeypot
IP spoofing
firewalls
screened subnet
42. IP - email - website - DNS - and ARP
informed
allow by default
IP spoofing
spoofing attacks
43. An attacker redirects valid request to malicious sites by feeding a DNS server altered records which are retained in its cache
passive
DNS spoofing
dynamic NAT
active
44. Generate random TCP sequence numbers and encrypt traffic countermeasure what attacks
repeater
man in the middle and replay
source - destination - protocol
ARP
45. One private IP address is mapped to one public IP address
teardrop
deny by default
proxy
static NAT
46. Well known ports - allow administrative access - used for network services - considered only ports allowed to transmit traffic thru a firewall
dual homed
ARP
knowledge based
0 - 1023
47. A server that sits between an intranet and it's Internet connection - masking all IP addresses
firewalls
screened host
switch
proxy server
48. Twisted pair cable with speed capability of 1Gbps
cat5
honeynet
NIDS network connections
screened host
49. Packet filtering - proxies - stateful inspection
firewalls
switch
bastion host
store and forward
50. Man in the middle attack where the attacker captures the traffic and sends it to the original recipient without altering the intercepted data
HIDS
port
packet filter
passive
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