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JCAC Mod 6

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faresiku's version from 2015-09-29 18:20

Section 1

Question Answer
SSHTCP 22
DHCP(Client)UDP 68
DHCP(Server)UDP 67
RLOGINTCP 513
DNSUDP(Queries) TCP(Zone Transfer) 53
TFTPUDP 69
HTTPTCP 80
HTTPSTCP 443
SNMPUDP 161/162
FTP(Data)TCP 20
IMAP4TCP 143
FTP(Control)TCP 21
POP3TCP 110
TELNETTCP 23
LDAPTCP 389
SMTPTCP 25
memorize

Section 2

Question Answer
LAYER 1PHYSICAL
LAYER 2DATA LINK
LAYER 3NETWORK
LAYER 4TRANSPORT
LAYER 5SESSION
LAYER 6PRESENTATION
LAYER 7APPLICATION
LAYER 1 DEVICESNIC REPETER CABLES
LAYER 2 DEVICESSWITCH
LAYER 3 DEVICESROUTER
LAYER 2 PROTOCOLSETHERNET, TOKEN RING, FDDI
LAYER 3 PROTOCOLSICMP, IP, ARP
LAYER 4 PROTOCOLSTCP, UDP
memorize

Section 3

Question Answer
TCP HEADER LENGTH20-60 BYTES
UDP HEADER LENGTHFIXED 8 BYTES
ETHERNET HEADER BYTES 1-6TARGET MAC ADDRESS
ETHERNET HEADER BYTES 7-12SOURCE MAC ADDRESS
ETHERNET HEADER BYTES 13-14NEXT PROTOCOL
IP HEADER SOURCE IP13-16TH BYTES
IP HEADER TARGET IP17-20TH BYTES
IP HEADER TTL9TH BYTE
IP HEADER BYTE 1IP VERSION AND HEADER LENGTH
IP HEADER NEXT PROTOCOL10TH BYTE
IP HEADER NEXT PROTOCOL UDP11
IP HEADER NEXT PROTOCOL TCP06
TCP HEADER SOURCE PORTBYTES 1, 2
TCP HEADER TARGET PORTBYTES 3, 4
TCP HEADER HEADER LENGTHBYTE 13
TCP HEADER FLAGSBYTE 14
UDP HEADER SOUCE PORT BYTE 1, 2
UDP HEADER TARGET PORTBYTE 3,4
memorize