A. When the discovery packet enters the router from the DHCP client.
B. Only when the offer packet enters the router from the DHCP server.
C. When the acknowledge packet enters the router from the DHCP server.
D. Only when the discovery packet leaves the router going to the DHCP server.
第1题
The output of the show aaa domain-map displays the following information:Domain: isp1.com; virtual-router: vr1; loopback: 1Domain: isp2.com; virtual-router: vr2; loopback: 1Domain: none; virtual-router: vr3; loopback: 1Domain: default; virtual-router: vr4; loopback: 1The end user supplies a login name of joe with no domain name.Which virtual router is responsible for authenticating this user?()
A.vr1
B.vr2
C.vr3
D.vr4
第2题
You have a firewall filter applied in an inbound direction on a customer interface. You would like this filter to protect your network from a spoofed denial of service attack. Which action should be configured to accomplish your goal?()
A. then reject
B. then discard
C. then next filter
D. then silent-drop
第3题
A. Hop Limit
B. Next Header
C. Fragment Offset
D. Header Checksum
第4题
The output of the show aaa domain-map displays the following information:Domain: isp1.com; virtual-router: vr1; loopback: 1Domain: isp2.com; virtual-router: vr2; loopback: 1Domain: none; virtual-router: vr3; loopback: 1Domain: default; virtual-router: vr4; loopback: 1The end user supplies a login name of joe@isp7.com .Which virtual router is responsible for authenticating this user?()
A. vr1
B. vr2
C. vr3
D. vr4
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