Which of the following is true of an ACL when a packet match

第1题：

第2题：

Given two different character sets （A and B）， which of the following must be true for A to be considered a strict superset of B？（）

• A、 A must contain all of the characters defined in B
• B、 A must be Unicode
• C、 The encoded values in A must match the encoded values in B for all characters defined in B 
• D、 A must be a multibyte character set
• E、 The encoded values in A must match the encoded values in B for all numeric and alphabetic character

第3题：

第4题：

Which of the following statements regarding routed and routing protocols are true?（）

• A、A routed protocol is assigned to an interface and determines the method of packet deliver.
• B、A routing protocol determines the path of a packet through a network.
• C、A routed protocol determines the path of a packet through a network.
• D、A routing protocol operates at the transport layer of the OSI model.
• E、A routed protocol updates the routing table of a router.

第5题：

What is true about a Pre-Block ACLconfigured when setting up your sensor toperform IP Blocking？（）

• A、 The Pre-Block ACL is overwritten when a blockingaction is initiatied by the sensor
• B、 The blocking ACL entries generated by the sensor override the Pre-Block ACL entries
• C、 The Pre-Block ACL entries override the blocking ACL entries generated by the sensor
• D、 The Pre-Block ACL is replaced by the Post-Block ACL when a blocking actionis initiated bythe sensor
• E、 You can not configure a Pre-Block ACL when configuring IP Blockingon your sensor

第6题：

Which of the following parameters can prevent packet fragmentation on routers when connecting to remote networks？（）

• A、mtu
• B、sb-max
• C、rfc1323
• D、tcp_mssdflt

第7题：

Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network. Which of the following answers best describes the router's logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）

• A、When the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interface
• B、When routing the packet, matching a route whose outgoing interface is the GRE tunnel interface
• C、When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interface
• D、When permitted by an ACL that was referenced in the associated crypto map

第8题：

第9题：

Which of the following is true when considering the Server load-balancing design within the E-Commerce Module of the Enterprise Campus network？（）

• A、 Routed mode requires the ACE run OSPF or EIGRP
• B、 Bridged mode switches a packet between the public and the private subnets when it sees itsMAC address as the destination
• C、 Two-armed mode will place the SLB inline to the servers， with different client-side and a server-side VLANs
• D、 One-armed mode， which uses the same VLAN for the client， the ACE， and the servers， requiresa traffic-diversion mechanism to ensure the traffic return from the server passes though the ACE

第10题：

Which of the following is TRUE about the ping  -f command?（）

• A、 It is useful for diagnosing data dependent problems by filling the packet with the byte pattern following the "f" in the command line. 
• B、 It is useful for flooding from slow character based terminals since it only displays a dot "." for each packet sent in fast mode. 
• C、 It is useful for flooding from slow character based terminals since it only displays a dot "."       for each packet sent and a backspace on returned in fast mode. 
• D、 The command can only be run by root.