In the system view, execute the command reset saved-configuration, the configuration file will be erased.
A. True
B. False
In network security, interruption means an attacker to compromise a network system resources, making it become invalid or useless. This is () attack?
A. Availability
B. Confidentiality
C. Integrity
D. Truth
Which of the following types of VPN adapt to mission personnel?
A. Access VPN
B. Intranet VPN
C. Internet VPN
D. Extranet VPN
About NAT argument error are: (Choose two)
A. NAT Outbound refers to the source IP address conversion,NAT Inbound refers to the destination IP address conversion
B. NAT Inbound NAT Server commands and command consistent feature configuration can be selected according to personal preference
C. Outbound direction NAT supports the following applications: one -many,many-to-
D. NAT technology to support multi-channel protocols, such as FTP and other standard multi- channel protocol
About ASPF the following statements is correct? (Choose two)
A. ASPF checking application layer protocol application layer protocol information and monitor the connection status
B. ASPF by dynamically generating ACL to determine whether the packet through the firewall
C. Servermap table is a temporary table entry
D. Servermap table with the five-tuple to represent a conversation
No matter under what circumstances? 2 packets between interfaces must flow through the firewall interzone packet filtering?
A. True
B. False
For E1/CE1 configuration (1, 2 configure virtual serial port IP address, configure virtual serial link layer protocol 3, 4 E1 configuration mode, configure timeslot bundling), correct configuration sequence is:
A. 1-2-3-4
B. 2-1-3-4
C. 3-4-2-1
D. 4-3-2-1
Which of the following three types of VPN more assurance in terms of security?
A. GRE
B. PPTP
C. IPSec
D. L2F
IP-link which is mainly used in the following scenarios? (Choose two)
A. Link Aggregation
B. Static Routing
C. Hot Standby
D. Long connection
Under the same conditions for an encryption algorithm, key lengths longer need to crack the higher the cost.
A. True
B. False
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