10/27/24, 11:32 AM CREST CPSA EXAM 300 QUESTIONS AND CORRECT ANSWERS LATEST 2024-2025(VERIFIED ANSWERS) Flashcards | Q…
CREST CPSA EXAM 300 QUESTIONS AND
CORRECT ANSWERS LATEST 2024-
2025(VERIFIED ANSWERS)
Terms in this set (124)
Application, Presentation, Session, Transport,
Name all OSI layers
Network, Data Link, Physical.
Name all TCP/IP layers Application, Transport, internet, Network Access.
Name Four TCP head flags ACK, FIN, SYN, URG, PSH, RST
Which layer does HTTP Layer 7, Application.
protocl reside in the OSI
model.
Which layer does Ethernet Layer 2, Data link.
reside in the OSI model.
Which Layer does IPv4 & Layer 4, transport.
IPv6 reside in TCP/IP
model.
10.0.0.0 - 10.255.255.255 (10/8 prefix)
RFC 1918 addresses 172.16.0.0 - 172.31.255.255 (172.16/12 prefix)
192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
Name the well know, Well Known(0-1023), Registed(1024-49,151) &
registered and dynamic Dynamic(49,152-65,535)
port ranges.
An ephemeral port is a short-lived transport protocol
What is an ephemeral
port for Internet Protocol (IP) communications. Can
port?
be used by both TCP & UDP.
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, 10/27/24, 11:32 AM CREST CPSA EXAM 300 QUESTIONS AND CORRECT ANSWERS LATEST 2024-2025(VERIFIED ANSWERS) Flashcards | Q…
What does IANA stand Internet Assigned Numbers Authority
for?
FTP21, SSH22, DHCP67(C), DHCP68(S), NTP123,
Name 10 common ports MYSQL3306, RDP3389, HTTP80, HTTPS443, SMB445,
and there protocols. KERBEROS88, CHARGEN19(UDP), DNS53, TACAS49,
WHOIS43, MSSQL1433, HIDDEN MSSQL2433.
Name five network types. LAN, WAN, MAN, VLAN, WLAN, PAN.
Name five network Mesh, Ring, star, Tree, Bus.
topologies
Name five common 100Base5, 10Base2, 10BaseT, 100Base-FL, 1000Base-T.
ethernet and FDDI cable
types.
What is WIFI the alias for? IEEE 802.11
What does VLAN stand Virtual Local Area Network
for?
Virtual Local Area Networks (VLANs) separate an
existing physical network into multiple logical
networks.
How does VLAN work?
Thus, each VLAN creates its own broadcast domain.
Communication between two VLANs can only occur
through a router that is connected to both.
Name five common ICMP 8-echo, 0-echo reply, 30-trace route, 5-redirect, 3-
types. destination unreachable, 11, time execeed.
What does ICMP stand Internet Control Message Protocol
for?
What does TTL stand for? Time to Live
TTL is a hop count system, and each router decreases
the TTL by 1. Upon reaching 0, the packet is dropped.
What is TTL?
This way you don't have packets not reaching their
destination and clogging the network.
OS TLL numbers? 128 Windows, 64 linux, 255 solaris(kapp)
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