CCNA系列认证
多选题Which of the following protocols utilize TCP?（）ANTPBNNTPCSMTPDSNMPEHTTPSFTFTP
题目
NTP
NNTP
SMTP
SNMP
HTTPS
TFTP
相似问题和答案
第1题：
A. NTP
B. NNTP
C. SMTP
D. SNMP
E. HTTPS
F. TFTP
第2题：
Which of the following protocols use both TCP and UDP ports?（）
- A、FTP
- B、SMTP
- C、Telnet
- D、DNS
- E、All of the above
正确答案:D
第3题：
Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?
A．FTP
B．TFTP
C．SMTP
D．Telnet
E．DNS
解析：Explanation:TCPandUDPmustuseportnumberstocommunicatewiththeupperlayers.Portnumberskeeptrackofdifferentconversationscrossingthenetworksimultaneously.Originating-sourceportnumbersaredynamicallyassignedbythesourcehost,whichwillbesomenumberstartingat1024.1023andbelowaredefinedinRFC1700,whichdiscusseswhatiscalledwell-knownportnumbers.Virtualcircuitsthatdonotuseanapplicationwithawell-knownportnumberareassignedportnumbersrandomlychosenfromwithinaspecificrangeinstead.TheseportnumbersidentifythesourceanddestinationhostintheTCPsegment.OnlyDNSusesbothUDPandTCPport53.
第4题：
Which of the following protocols utilize TCP?（）
- A、NTP
- B、NNTP
- C、SMTP
- D、SNMP
- E、HTTPS
- F、TFTP
正确答案:B,C,E
第5题：
Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?（）
- A、FTP
- B、TFTP
- C、SMTP
- D、Telnet
- E、DNS
正确答案:E
第6题：
A.TACACS
B.Telnet
C.SMTP
D.SNMP
E.HTTP
F.TFTP
第7题：
Which of the following protocols utilize UDP as the layer 4 transport mechanism?（）
- A、TACACS
- B、Telnet
- C、SMTP
- D、SNMP
- E、HTTP
- F、TFTP
正确答案:D,F
第8题：
A. FTP
B. SMTP
C. Telnet
D. DNS
E. All of the above
第9题：
Which of the protocols below use TCP at the transport layer?（）
- A、TFTP
- B、SMTP
- C、SNMP
- D、FTP
- E、HTTP
- F、HTTPS
正确答案:B,D,E,F
第10题：
When configuring QoS on a wireless controller， the per-user， real-time bandwidth contract isenforced for which of the following protocols？（）
- A、IPX
- B、IP
- C、UDP
- D、TCP
正确答案:C