source NAT with address shifting
pool-based source NAT
static destination NAT
pool-based destination NAT
第1题:
A.With a network wide mask of 255.255.255.128, each interface does not require an IP address.
B.With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.
C.With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other.
D.With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.
E.With a network wide mask of 255.255.254.0, each interface does not require an IP address.
第2题:
Which of the following descriptions about IP spoofing is correct?()
第3题:
Interface ge-0/0/2.0 of your device is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A Web server with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. The Web server is attached to the ge-0/0/0.0 interface of your device. You must use NAT to make the Web server reachable from the Internet using port translation. Which type of NAT must you configure?()
第4题:
A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0?()
第5题:
A two-node cluster is configured for mutual takeover with two service IP labels. The cluster is Being tested for fallover behavior. Both nodes in the cluster have two network interfaces (ent0’ and ’ent1’) configured with IPAT via IP Replacement. When the network cable is removed from the interface card with the service address (’ent0’), the service address is moved to ’ent1’, and ’ent0’ is reconfigured on its boot address. When the network cable is replaced on ’ent0,the service address does not switch back to ’ent0’. What statement most accurately describes this situation?()
第6题:
Which command configures an address of 192.168.1.1 with a mask of 255.255.255.0 on interface ge-0/0/0?()
第7题:
The subnet mask in use is 255.255.255.192.
The subnet mask in use is 255.255.255.128.
The IP address 172.16.1.25 can be assigned to hosts in VLAN1
The IP address 172.16.1.205 can be assigned to hosts in VLAN1
The LAN interface of the router is configured with one IP address.
The LAN interface of the router is configured with multiple IP addresses.
第8题:
With a network wide mask of 255.255.255.128, each interface does not require an IP address.
With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.
With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other.
With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.
With a network wide mask of 255.255.254.0, each interface does not require an IP address.
第9题:
source NAT with address shifting
pool-based source NAT
static destination NAT
pool-based destination NAT
第10题:
set ip interface ge-0/0/0 address 192.168.1.1 255.255.255.0
set ip interface ge-0/0/0 address 192.168.1.1/24
set interface ge-0/0/0 ip4 address 192.168.1.1 mask 255.255.255.0
set interfaces ge-0/0/0 unit 0 family inet address 192.168.1.1/24
第11题:
If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, it will
If the destination IP address in the outer IP header of ESP does not match the IP address of the ingress interface, it will
If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based packet.
If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based of inner header, it will decrypt the packet.
第12题:
source NAT with address shifting
pool-based source NAT
static destination NAT
pool-based destination NAT
第13题:
Your boss is learning a CCNA training course,refer to the exhibit.The access list has been configured on the S0/0 interface of router RTB in the outbound direction.Which two packets,if routed to the interface,will be denied?()access-list 101 denytcp192.168.15.320.0.0.15any eq telnetaccess-list 101 permitip any any
A.source ip address:192.168.15.5;destination port: 21
B.source ip address:,192.168.15.37 destination port: 21
C.source ip address:,192.168.15.41 destination port: 21
D.source ip address:,192.168.15.36 destination port: 23
E.source ip address:192.168.15.46;destination port: 23
F.source ip address:,192.168.15.49 destination port: 23
第14题:
Interface ge-0/0/2.0 of your router is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A host with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. This host isattached to the ge-0/0/0.0 interface of your router. You must use interface-based static NAT to make the HTTP service on the host reachable from the Internet. On which IP address and TCP port can Internet hosts reach the HTTP service?()
第15题:
Interface ge-0/0/2.0 of your device is attached to the Internet and is configured with an IP address andnetwork mask of 71.33.252.17/24. A webserver with IP address 10.20.20.1 isrunning an HTTP service on TCP port 8080. The webserver is attached to the ge-0/0/0.0 interface of yourdevice. You must use NAT to make the webserver reachable from the Internet using port translation.Which type of NAT must you configure?()
第16题:
In a cluster using /etc/hosts for name resolution, which of the following describes the minimum requirementsfor the /etc/hosts file?()
第17题:
Which two commands may be used when configuring an IP address for a Gigabit Ethernet interface?()
第18题:
When an SRX series device receives an ESP packet, what happens?()
第19题:
IP address and IP label of each service and boot interface in the cluster
IP address and IP label of each service and boot interface in the cluster, loopback interface, and the hostname of the node
IP address and IP label of each service and boot interface in the cluster, the loopbackinterface, and the cluster gateway
IP address and IP label of each service and boot interface in the cluster, the loopbackinterface, the cluster gateway, and the subnet network addresses
第20题:
The IP address of the first Fast Ethernet interface.
The IP address of the console management interface.
The highest IP address among its active interfaces.
The lowest IP address among its active interfaces.
There will be no router ID until a loopback interface is configured.
第21题:
The default gateway is configured on a different subnet form this host.
The host is a member of the fifth usable subnet of the 192.168.16.0 network.
The subnetwork address for this host is 192.168.16.160/28.
The address of the next higher subnet is 192.168.16.192.
The address of the router interface that is attached to this subnetwork is 192.168.16.190.
There are 60 usable host addresses on this subnet.
第22题:
EtherChannel is needed to automatically switch the service IP address back to ’ent0’.
This is the default behavior for a network interface failure with this configuration.
Gratuitous ARP support needs to be enabled for the IP Network Interface Module in SMIT.
The Inactive Network Takeover option should be set to true to forece the service address back to ’ent0’.
第23题:
The traffic is dropped
The resulting action is determined by the destination IP address
The source IP address is checked,and,if a match is not found, traffic is routed out interface Serial 1
The resulting action is determined by the destination IP address and port number
第24题:
IP address 10.10.10.1 and TCP port 8080
IP address 71.33.252.17 and TCP port 80
IP address 71.33.251.19 and TCP port 80
IP address 71.33.252.19 and TCP port 8080