[单项选择]Wrought iron has an inherent resistance to corrosion but is not to be had freely , its place has been taken by the cuprous alloysAccording to the above sentence , which of the following statements is true?（）
A. Wrought iron can resist liquids flow
B. It is difficult to attain the wrought iron
C. Wrought iron should be combined with cuprous alloys
D. The cuprous alloys have mere disadvantages than wrought iron

[单项选择]"Cast iron has poor corrosion resistance to sea water, especially in the presence of bronzes" Implies（）.
A. east iron is a cheap material
B. cast iron can pollute sea water
C. cast iron has mere corrosive than bronzes to sea water
D. cast iron is more corrosive to sea water when it meets with bronzes

[多项选择]The Schuyler and Livingston Iron Works has been working on getting its network security under control. It has set up VPN with IPSec links to its suppliers. It has installed network vulnerability scanners to proactively identify areas of weakness, and it monitors and responds to security events as they occur. It also employs extensive access control lists, stateful firewall implementations, and dedicated firewall appliances. The company has been growing very fast lately and wants to make sure it is up to date on security measures.Which two areas of security would you advise the company to strengthen? （）
A. intrusion protection
B. identity
C. secure connectivity
D. security management

[单项选择]Cast iron and gunmetal fittings are used freely in small sizes at moderate pressure; large fittings, those for high pressure and temperature are cast or mild steelIn the above sentence, the word “those” means （）.
A. east iron firings
B. mild steel fittings
C. small fittings
D. large fittings

[单项选择]Cast iron pistons used in large propulsion diesel engines are constructed with （）
A. not taper what so ever
B. the skirt being tapered and smaller than the crown
C. the skirt being tapered and larger than the crown
D. the crown being tapered and smaller than the skirt

[单项选择]Large quantities of uncovered pig iron or billets should not be carried in the upper-tween decks because（）.
A. this does not eliminate the risk of cargo shifting
B. this will increase the metacentric height of the ship
C. this will decrease the gravity height of the ship
D. this will reduce the rolling period of the ship

[单项选择]Many cast iron pistons are designed with heat dams, which serve to （）
A. keep piston crown temperatures elevated for smoother combustion
B. reduce the possibility of overheating the top compression ring
C. help retain the heat of compression to prevent ignition delay
D. help retain the heat of compression to prevent combustion knock

[单项选择]Cast iron carrier rings, （） machined grooves, are provided for all the pistons.
A. caulked into
B. caulking into
C. pressed into
D. screwed into

[单项选择]The iron mike is a(n) （）.
A. pilot
B. speaker
C. standby wheel
D. automatic pilot

[单项选择]The smith soon（）three iron shoes for the horse.
A. forged
B. formed
C. framed
D. formatted

[多项选择]Your company has a network that has an Active Directory domain. The domain has two servers named DC1 and DC2.You plan to collect events from DC2 and transfer them to DC1. You configure the required subscriptions by selecting the Normal option for the Event delivery optimization setting and by using the HTTP protocol.You discover that none of the subscriptions work.You need to ensure that the servers support the event collectors.Which three actions should you perform？（）
A. Run the wecutil qc command on DC1.
B. Run the wecutil qc command on DC2.
C. Run the winrm quickconfig command on DC1.
D. Run the winrm quickconfig command on DC2.
E. Add the DC2 account to the Administrators group on DC1.
F. Add the DC1 account to the Administrators group on DC2.

[单项选择]Your ARPA has been tracking a target and has generated the targets course and speed.The radar did not receive a target echo on its last two scans due to the weather.What should you expect under these circumstances（）.
A. The ARPA will generate data as if the target was still being tracked by radar
B. The ARPA will give an audible and/or visual lost target alarm
C. The ARPA will generate data based on sea return echoes from the vicinity where the target was lost
D. The ARPA has lost all memory of the target and must recompute the target data

[单项选择]The cast iron guide-ways for （） are attached to the top section and seal off the crankcase.
A. the connecting rod
B. the cross-head
C. the piston rod
D. the air box

[单项选择]The cast iron（）for the cross-head are attached to the top section and seal off the crankcase.
A. cylinder cover
B. cross-head shoes
C. guide-ways
D. scavenging boxes

[单项选择]Your company has an IPv6 network that has 25 segments. You deploy a server on the IPv6 network.You need to ensure that the server can communicate with all segments on the IPv6 network.What should you do？（）
A. Configure the IPv6 address as fd00：：2b0：d0ff：fee9：4143/8.
B. Configure the IPv6 address as fe80：：2b0：d0ff：fee9：4143/64.
C. Configure the IPv6 address as ff80：：2b0：d0ff：fee9：4143/64.
D. Configure the IPv6 address as 0000：：2b0：d0ff：fee9：4143/64.

[单项选择]Your company has a network that has 100 servers. A server named Server1 is configured as a file server. Server1 is connected to a SAN and has 15 logical drives.You want to automatically run a data archiving script if the free space on any of the logical drives is below 30 percent.You need to automate the script execution.You create a new Data Collector Set. What should you do next？（）
A. Add the Event trace data collector.
B. Add the Performance counter alert.
C. Add the Performance counter data collector.
D. Add the System configuration information data collector.

[单项选择]Your company has a network that has 100 servers. You install a new server that runs Windows Server 2008 R2. The server has the Web Server (IIS) server role installed.After a week, you discover that the Reliability Monitor has no data, and that the Systems Stability chart has never been updated. You need to configure the server to collect the Reliability Monitor data. What should you do？（）
A. Run the perfmon.exe /sys command on the server.
B. Configure the Task Scheduler service to start automatically.
C. Configure the Remote Registry service to start automatically.
D. Configure the Secondary Logon service to start automatically.

[单项选择]（） of the A-frames there is a strong cast iron frame called the scavenging air box.
A. At the top
B. At the bottom
C. In the top
D. In the bottom

[单项选择]Your vessel has just finished bunkering and has a small list due to improper distribution of the fuel oil. This list will cause（）.
A. a decrease in reserve buoyancy
B. a decrease in the maximum draft
C. the vessel to flop to port or starboard
D. None of the above