CMS专题
多选题Which of the following are TACACS+ characteristics？（Choose all that apply.）（）ACisco proprietaryBStandards-based protocolCProvides separate services for authentication， authorization， and accountingDEncrypts only the passwordEUses UDP for a transport la
题目
Cisco proprietary
Standards-based protocol
Provides separate services for authentication， authorization， and accounting
Encrypts only the password
Uses UDP for a transport layer
Encrypts the entire packet
相似问题和答案
第1题：
B.grammar instruction.
C.Reciting texts.
D.Role-play.
D选项，角色扮演活动需要学生之间的协作和互动，兼具益智性和娱乐性，比较受学生欢迎。综上，D选项正确。
A选项，填单词，可以扩充词汇量，但没有角色扮演更有趣。
B选项，正规语法指导，比较枯燥，故排除。
C选项，背诵课文，比较枯燥，故排除。
故正确选项为D。
第2题：
Which of the following characteristics are true assuming you are troubleshooting a networkcurrently enabled for VRRP？（Choose all that apply.）（）
- A、The network is load balancing among different members of the VRRP group
- B、The default hello timers are 1 second
- C、The interface IP address is being used as the virtual IP address
- D、There are several routers in the group simultaneously forwarding traffic for the group
- E、It is a Cisco Proprietary protocol
- F、The default hello timers are 3 seconds
正确答案:B,C
第3题：
Which of the following services use TCP? (Choose three)
A. DHCP
B. SMTP
C. SNMP
D. FTP
E. HTTP
F. TFTP
B,D,E 解析：Explanation:
TCP (Transmission Control Protocol) is a reliable mechanism for data delivery. SMTP, FTP and HTTP services use TCP via ports 25, 20/21, and 80, respectively.
第4题：
Which of the following are shared distribution tree characteristics？ （Choose all that apply.）（）
- A、Memory requirements are higher for shared distribution tree than for source distribution tree
- B、Creates a tree from a central RP to all last-hop routers
- C、Uses a rendezvous point
- D、An optimal path is created between each source router and each last-hop router
- E、Place （S，G） entry in each router’s multicast routing table
- F、Place （*，G） entry in a router’s multicast routing to table
正确答案:C,F
第5题：
Which of the following are associated with the application layer of the OSI model (Choose two.)（）。
- A、ping
- B、Telnet
- C、FTP
- D、TCP
- E、IP
正确答案:B,C
第6题：
Which of the following are key characteristics of PPP (Choose three.)（）。
- A、can be used over analog circuits
- B、maps Layer 2 to Layer 3 address
- C、encapsulates several routed protocols
- D、supports IP only
- E、provides error correction
正确答案:A,C,E
第7题：
Which of the following is not considered a common approach to narrow the field of potentialproblem causes？ （Choose the best answer.）（）
- A、Following the traffic path
- B、Top-down
- C、Comparing configurations
- D、Bottom-up
- E、Divide and conquer
- F、Examine SLAs
正确答案:F
第8题：
A.can be used over analog circuits
B.maps Layer 2 to Layer 3 address
C.encapsulates several routed protocols
D.supports IP only
E.provides error correction
第9题：
Which of the following are TACACS+ characteristics？（Choose all that apply.）（）
- A、Cisco proprietary
- B、Standards-based protocol
- C、Provides separate services for authentication， authorization， and accounting
- D、Encrypts only the password
- E、Uses UDP for a transport layer
- F、Encrypts the entire packet
正确答案:A,C,F
第10题：
Which of the following are types of flow control (Choose three.)（）。
- A、buffering
- B、cut-through
- C、windowing
- D、congestion avoidance
- E、load balancing
正确答案:A,C,D