单项选择题
A.It tells the router or switch to try establish an SSH connection first and if that fail to use telnet.
B.It configures a cisco network device to use the SSH protocol on incoming communications via the virtual terminal ports.
C.It allows seven failed login attempts before the VTY lines are temporarily shutdown.
D.It configures the virtual terminal lines with the password 030752180500.
E.It configures SSH globally for all logins.
单项选择题 What is the effect of using the service password-encryption command?（）
多项选择题 Refer to the exhibit.The network administrator requires easy configuration options and minimal routing protocol traffic.Which two options provide adequate routing table information for traffic that passes between the two routers and satisfy the requests of the network administrator?（）
单项选择题 Refer to the exhibit.The speed of all serial links is E1 and the speed of the all Ethernet links is 100Mb/s.A static route will be established on the Manchester router to the direct traffic toward the internet over the most direct path available.What configuration on the Manchester router will establish a router toward the internet for traffic that originates from workstation on the Manchester LAN?（）