A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）

A、an OSPF update for network 192.168.0.0/16

B、a static router to network 192.168.10.0/24

C、a static router to network 192.168.10.0/24 with a local serial interface configured as the next hop

D、a RIP update for network 192.168.10.0/24

E、a directly connected interface with an address of 192.168.10.254/24

F、a default route with a next hop address of 192.168.10.1

A wireless client cannot connect to an 802.11b/g BSS with a b/g wireless card. The client section of the access point does not list any active WLAN clients. What is a possible reason for this?（）

A、The incorrect channel is configured on the client.

B、The client's IP address is on the wrong subnet.

C、The client has an incorrect pre-shared key.

D、The SSID is configured incorrectly on the client.

男性，35岁。骨盆被重物挤压2小时入院。查体：P120次/分，BP90/50mmHg。面色苍白。全腹压痛，以下腹部压痛、反跳痛、肌紧张明显，移动性浊音（+）。Hb110g/L。骨盆X线平片示髂骨线性骨折。经补液治疗，生命体征平稳，但仍无尿，留置尿管仅有50ml尿液流出，淡红色。哪一内脏器官损伤的可能性大（）

A、肾损伤

B、膀胱损伤

C、输尿管损伤

D、直肠损伤

E、尿道损伤

下列哪项不是肺癌的非转移全身症状（）

A、重症肌无力

B、杵状指（趾）

C、Horner综合征

D、Cushing综合征

E、男性乳腺增生

A network administrator needs to configure port security on a switch.which two statements are true?（）

The network administrator can apply port security to dynamic access ports

The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.

The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.

The network administrator can apply port security to EtherChannels.

When dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.

How many bits are contained in each field of an IPv6 address?（）

A、24

B、4

C、8

D、16