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?（）

单项选择题ABC Company has 1500 managed devices and 15,000 end users on a campus network. LAN Management Solution (LMS) is being deployed as the network management application. What is the recommended number of network management server(s)?（）

A.1
B.2
C.3
D.4

多项选择题Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?（）

A. PortFast
B. UplinkFast
C. loop guard
D. root guard
E. BPDU guard
F. BackboneFast

多项选择题Which three LAN routing protocols would be appropriate for a small retail organization with a multivendor LAN infrastructure?（）

A.IGRP
B.RIP
C.RIPv2
D.OSPF

多项选择题Which two of these are characteristics of an IPS device?（）

A. passively listens to network traffic
B. is an active device in the traffic path
C. has a permissive interface that is used to monitor networks
D. traffic arrives on one IPS interface and exits on another

多项选择题Which three are used in configuring Call Manager dial plans? （）

A. route list
B. route group
C. gateway list
D. route pattern