多选题A host named client12 is having difficulty communicating with a heavily used server named server14. The server14 server has the ce0， ce1， ce4， and qfe4 interfaces active. The client12， admin6， and appserv5 hosts are all on a private network and access 

You are having problems with connections from a specific host (192.168.1.15) not closing down correctly.You want to find the state of the threads from that host check for long-running queries. Which statement will accomplish this?（）

A.A

B.B

C.C

D.D

A.user@host> debug interface interface-name

B.user@host> monitor usage interface-name

C.user@host> monitor interface interface-name

D.user@host> traceoptions interface interface-name

Your company has a domain controller named Server1 that runs Windows Server 2008 R2 and the DNS Server server role. A server named Server2 runs a custom application.You need to configure DNS to include the following parameters for the custom application: &710;Service &710;Priority &710; Weight &710; Protocol &710; Port number &710;Host offering this service Which record should you create？（）

A. Host Info (HINFO)

B. Service Location (SRV)

C. Canonical Name (CNAME)

D. Well-Known Service (WKS)

A.tcpdump webserver

B.tcpdump host webserver

C.tcpdump -hostname webserver

D.tcpdump -print -h webserver

A.hostname

B.host

C.client-name

D.remote-host

After connecting a PC to an available port on a switch, you find that the PC can not access any of the resources on the LAN. No other PC's connected to the switch appear to be having any issues. What is the most likely cause for this problem?

A．The router lacks a routing table entry for the new host

B．The host switch port is assigned to the incorrect VLAN

C．The host MAC address is incorrectly configured

D．A STP instance for the new host has not been initialized

E．The switch does not have the MAC address hard coded in the CAM table.

A Windows Communication Foundation (WCF) service is self-hosted in a console application. The service implements the IDataAccess contract, which is defined in the MyApplication namespace. The service is implemented in a class named DataAccessService which implements the IDataAccess interface and also is defined in the MyApplication namespace. The hosting code is as follows. (Line numbers are included for reference only.)01 static void Main(string[] args)02 {03 ServiceHost host;04 ...05 host.Open();06 Console.ReadLine();07 host.Close();08 }You need to create a ServiceHost instance and assign it to the host variable. You also need to instantiate the service host.Which line of code should you insert at line 04?（）

A. host = new ServiceHost("MyApplication.DataAccessService");

B. host = new ServiceHost("MyApplication.DataAccess");

C. host = new ServiceHost(typeof(IDataAccess));

D. host = new ServiceHost(typeof(DataAccessService));

A.the MAC address of the seiver network interface

B.the MAC address of host A

C.the MAC address of router interface e 1

D.the MAC address of router interface e0