海船船员考试
单选题On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.A keep the movement of the davits at the same speedB keep the davits from slipping when they are in the stowed positionC prevent vibration during lowering of the boatD
题目
keep the movement of the davits at the same speed
keep the davits from slipping when they are in the stowed position
prevent vibration during lowering of the boat
support the manropes
相似问题和答案
第1题：
A. FWSM routes traffic between the VLANs.
B. FWSM switches traffic between the VLANs.
C. Transparent mode is often called bump-in-the-wire mode.
D. Transparent mode firewall deployments are used most often in current designs.
E. Traffic routed between VLANs is subject to state tracking and other firewall configurable options.
第2题：
B.Blockchain
C.Edge computing
D.Artificial intelligence
（）是一种开放的、分布式的分类账，能够有效地、可核查和永久地记录双方之间的交易。
A.物联网B.区块链C.边缘计算D.人工智能
考查区块链的定义，本题需要记住区块链的英文。
第3题：
The "main storage" normally means that part of internal storage into which instructions and other data must be loaded for subsequent execution or processing. In large computing systems, the term "main storage" is(71) to "memory". "Buffer" mainly indicates a special-purpose storage or storage area allowing, through(72) storage, the data transfer between two functional units having different transfer characteristics. A buffer storage is used between non-synchronized devices or where one is(73) and the other is parallel or between those having different trans far rates. "(74) (memory)" is also a special-purpose buffer storage, smaller and faster than main storage, used to hold a copy of instructions and data obtained from main storage and likely to be needed next by the processor. "Register" is commonly composed of a part of internal storage having a specified storage(75) and usually intended for a specific purpose.
A．suitable
B．optional
C．choice
D．preferred
第4题：
What is the purpose of the RSVP hello interval?（）
- A、It is the size of the RSVP hello packet
- B、It is how long it maintains RSVP neighbors
- C、It is the length of time between RSVP hello packets
- D、It is how long the router waits before declaring a router to be down
正确答案:C
第5题：
What are two characteristics of Server Load Balancing router mode？（）
- A、 The design supports multiple server subnets Cisco 642-874： Practice Exam
- B、 An end-user sees the IP address of the real server
- C、 SLB routes between the outside and inside subnets
- D、 The source or destination MAC address is rewritten， but the IP addresses left alone
- E、 SLB acts as a "bump in the wire" between servers and upstream firewall or Layer 3 devices
正确答案:A,D
第6题：
A. FWSM routes traffic between the VLANs.
B. FWSM switches traffic between the VLANs.
C. Routed mode is often called bump-in-the-wire mode.
D. Routed mode firewall deployments are used most often in current designs.
第7题：
Banks open （） Monday （） Friday.
- A、from；to
- B、between；to
- C、from；and
正确答案:A
第8题：
A.Twenty-Five
B.Forty
C.Sixteen
D.Seven
第9题：
Which two statements about FCIP and iSCSI are correct？（）
- A、 The FCIP stack supports file-level storage for remote devices.
- B、 Both require high throughput with low latency and low jitter.
- C、 The purpose of FCIP is to provide connectivity between host and storage.
- D、 The iSCSI stack supports block-level storage for remote devices.
- E、 The purpose of iSCSI is to provide connectivity between separate wide-area SANs.
正确答案:B,D
第10题：
A （）(钢丝刷) should be used on all bare metal to remove the last of the scale.
- A、wire brush
- B、wire rope
- C、wire rod
- D、wire rope clip
正确答案:A