A mortgagee does not acquire a right t

1、A parallax correction is NOT applied t

A parallax correction is NOT applied to observations of the（）.AstarsBMoonCSunDPlanet

2、He does not work but he gets a good___

He does not work but he gets a good__________from his investments．AWageBearningCincomeDsalary

3、A vessel the passage of which is not t

A vessel the passage of which is not to be impeded（）to comply with this Rule when the two vessels are approaching one another so as to involve risk of collision.Aremains fully obligedBhas no obligationCis not necessarilyDis exempted

4、In deciding to detain a ship or not, t

In deciding to detain a ship or not, the PSCO would better not（）Amake his decision independentlyBrequest the owner’s representative to pr...

5、In a switched environment, what does t

In a switched environment, what does the IEEE 802.1Q standard describe?（）Athe operation of VTPBa method of VLAN trunkingCan approach to wireless LAN communicationDthe process for root bridge selectionEVLAN pruning vla

6、A system does not have a nameserver de

A system does not have a nameserver defined for IP address resolution. What file does AIX use to determine the IP address of a remote system?（）A /etc/hostsB /etc/namesC /etc/rc.tcpipD /etc/resolv.conf