Which of the following IP hosts would be valid for PC users, assuming that a /27 network mask was used for all of the networks?（）

A . it is not a valid NetFlow command B . it is an SNMP command that exports 1500-byte packets to IP address 192.168.1.50 C . it is a NetFlov/ command that v/ill export 1500-byte packets to IP address 192.168.1.50 D . it is a NetFlov/ command that allows IP address 192.168.1.50 to send traffic to port 1500 E . It is a NetFlov/ command that v/ill specify that the NetFlov/ collector’s IP address is192.168.1.50 over UDP port 1500 F . It is an SNMP command that exports flows to destination address 1Q2.168.1.50 for packets upto an MTU of 1500

A . 12.0.0.1 B . 168.172.19.39 C . 172.20.14.36 D . 172.33.194.30 E . 192.168.42.34

A . The application layer B . The session layer C . The data link layer D . The transport layer E . The network interface layer F . The physical layer

A . NAT mapping B . NAT overloading C . NAT caching D . Static NAT E . Dynamic NAT F . Overlapping NAT

A . addresses chosen by a company to communicate with the Internet B . addresses that cannot be routed through the public Internet C . addresses that can be routed through the public Internet D . a scheme to conserve public addresses E . addresses licensed to enterprises or ISPs by an Internet registry organizatio

A . Application B . Internet C . Transport D . Network E . Data Link

A . 115.54.8.32 B . 115.54.7.64 C . 115.54.6.255 D . 115.54.3.32 E . 115.54.5.128 F . 115.54.12.128

A .  route  B .  netstat  C .  iptrace  D .  traceroute

A . 27.35.16.32 B . 27.35.16.33 C . 27.35.16.48 D . 27.35.16.47 E . 27.35.16.45 F . 27.35.16.44

A . refresh -s inetd B . refresh -s tcpip C . /etc/rc.tcpip efresh D . refresh -g inetd

A .  Configuration of Hardware Address Takeover is supported. B .  Fewer physical network interface cards are required in the cluster. C .  It is the default for keeping a service IP labels highly available. D .  None-service ip labels must use different subnets than service IP labels.

A . Addresses chosen by a company to communicate with the Internet. B . Addresses that cannot be routed through the public Internet. C . Addresses that can be routed through the public Internet. D . A scheme to conserve public addresses. E . Addresses licensed to enterprise or ISPs by an Internet registry organization.

A . 205.7.8.32/27 B . 191.168.10.2/23 C . 127.0.0.1 D . 224.0.0.10 E . 203.123.45.47/28 F . 10.10.0.0/13

A . show interface list B . show ip route C . show ip interface D . show ip interface brief E . show interface

A . Static NAT B . Port loading C . NAT Overloading D . Dynamic NAT E . None of the above

A . 115.64.8.32 B . 115.64.7.64 C . 115.64.6.255 D . 115.64.3.255 E . 115.64.5.128 F . 115.64.12.128

A . PPP over Ethernet B . Cisco Express forwarding C . MPLS traffic Engineering D . IS-IS routing E . Unicast Reverse Path Forwarding（uRPF）

A . IP source address is forged B . IP destination address is forged C . IP TCP source port is forged D . IP TCP destination port is forged E . None of above

A .  115.64.8.32 B .  115.64.7.64 C .  115.64.6.255 D .  115.64.3.255 E .  115.64.5.128 F .  115.64.12.128

A . 129.0.0.99 B . 129.255.0.1 C . 224.0.0.1 D . 254.0.0.1

A . 205.7.8.32/27 B . 191.168.10.2/23 C . 127.0.0.1 D . 224.0.0.10 E . 203.123.45.47/28 F . 10.10.0.0/13

A . ICMP Echo B . VoIP (RTP) C . IPX D . SNMP

A.A MCC monitoring vlan and IP on all devices throughout the network can be exported to a file for backup. B.A PTN device on which mcc vlan and ip have problems can use service encapsulation ip to log into another PTN device remotely in the network. C.Service encapsulation vlan and ip will not be added into packet header when service packets are being forwarded in PTN network. D.T31 system does not support creation of vlan with 3001 or above.

A．A.For ZXCTN6100 equipment of Version 1.0, monitoring IP of EMS is LOOPBACK1 of the equipment B．B.For ZXCTN6100 equipment of Version 1.1, monitoring IP of EMS is LOOPBACK1 of the equipment C．C.For ZXCTN6200/6300 equipment, monitoring IP of EMS is interface IP of the equipment D．D.For ZXCTN6200/6300 equipment, monitoring IP of EMS is LOOPBACK IP of the equipment