The figure shows the SSL VPN mode deployed by an enterprise .The correct description of the networking mode is _______ .

Traffic shaping usually uses ______ to make the traffic output to the downstream network meet a certain restriction standard, and to reduce the fluctuation of the output traffic and make it smoother.

Execute the displa interface tunnel command on a router to display the information of the GRE tunnel interface as follows:
<Router> displa interface Tunnel O
Tunnelo current state: UP
Line protocol current state: UP
Description: Tunnelo Interface
The Maximum Transmit Unit is 1476
Internet Address is 192.1.2.1/24 Primar
Encapsulation is TUNNEL , agg regation ID not set
Tunnel source 10.1.11.1 , destination 10.1.13.1
Tunnel keepalive enable , Period ( 10 s ) , Retries ( 3 )
Tunnel protocol/transport GRE/IP
GRE ke disabled
Checksumming of GRE packets disabled
Last 300 seconds input: 0 btes/sec , 0 packets/sec
Last 30 0 seconds output: 0 btes/sec , 0 packets/sec
4 packets input , 72 btes
0 input error
1 packets output , 24 btes
0 0utput error
It can be known from the above information.( Choose one or more )

Configure the following commands on the MSR router:
qos cql 1 queue 1 serving 1000
qos cql 1 queue 2 serving 2000
qos cql 1 queue 3 serving 500
qos cql 1 queue 4 serving 1500
qos cql 1 protocol ip tcp ftp-data queue 2
qos cql 1 protocol ip udp tftp queue 3
qos cql 1 protocol ip pop3 queue 4
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
duplex full
speed 10
qos cq pql 1
From G0 / 1 forwarding packets include Telnet , ftpdata , the TFTP and POP3 flow amounts are 4Mbps , port no other traffic, Telnet packet can be used is about broadband

IPSec polic is configured between the two routers , after the policy is issued to the corresponding interface, the ping command is used to check the interoperability of the protected data flow, and it is found that the data passes 100% .Using the displa ike sa and displa ipsec sa commands, the IPSec SA is not established.
The reason for the failure of IPSec configuration is ____ .( Choose one or more )